出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/12/17 22:35:07」(JST)
The present tense is a grammatical tense whose principal function is to locate a situation or event in present time.[1] The term "present tense" is usually used in descriptions of specific languages to refer to a particular grammatical form or set of forms; these may have a variety of uses, not all of which will necessarily refer to present time. For example, in the English sentence My train leaves tomorrow morning, the verb form leaves is said to be in the present tense, even though in this particular context it refers to an event in future time. Similarly, in the historical present, the present tense is used to narrate events that occurred in the past.
There are two common types of present tense form in most Indo-European languages: the present indicative (the combination of present tense and indicative mood) and the present subjunctive (the combination of present tense and subjunctive mood).
Present tense may be denoted by the glossing abbreviation PRES or PRS.
The present indicative of most verbs in modern English has the same form as the infinitive, except for the third-person singular form, which takes the ending -[e]s. The verb be has the forms am, is, are. For details see English verbs. For the present subjunctive, see English subjunctive.
A number of multi-word constructions exist to express combinations of present tense with aspect. The basic form of the present tense is called the simple present; there are also constructions known as the present progressive (or present continuous) (e.g. am writing), the present perfect (e.g. have written), and the present perfect progressive (e.g. have been writing).
Use of the present tense does not always imply present time. In particular, the present tense is often used to refer to future events (I am seeing James tomorrow; My train leaves at 3 o'clock this afternoon). This is particularly the case in condition clauses and many other adverbial subordinate clauses: If you see him,...; As soon as they arrive... There is also the historical present, in which the present tense is used to narrate past events.
For details of the uses of present tense constructions in English, see Uses of English verb forms. The formula: Positive: S + V1 (s / es) Negative: S + DO / DOES + NOT + V1 Question: DO / DOES + S + V1
It is used to express an action in present time, habitual or usual actions or daily event or universal fact. It is used to express an action in present time which is usually done on a regular basis. For example a student says, “I go to school”. It is a daily activity of a student to go to school, so such actions are expressed by present simple tense. Another example is, “I work in a factory”. It tells about a usual action of a person that he works in a factory on regular basis.
Positive Sentence
• Subject + Main verb + Object
• Subject + 1st form of verb (or base verb) + Object
Note: If the subject in a sentence is “he, she, it, singular or proper noun” then “s” or “es” is added to the first form of verb or base form in the sentence. Examples.
I write a letter.
He gets up early in the morning.
Sun rises in east.
Negative Sentences
• Subject + auxiliary verb +NOT + Main verb +object • Subject + Do not/Does not + 1st form of verb (or base form) + object
Examples.
I do not write a letter.
He does not get up early in the morning.
Sun does not rise in east.
Note: In negative sentence auxiliary verb “do or does” along with “not” is used. If the subject in a sentence is “he, she, it, singular or proper noun”, then “Does not” is used after subject in sentence. If subject is “I, we, they, you or plural” then “Do not” is used after subject in sentence. “s” or “es” is not added to main verb in negative sentence
Interrogative Sentence
• Auxiliary verb + Subject + Main verb + Object • Do/Does + Subject + 1st for of verb (or base verb) + Object
Examples.
Do I write a letter?
Does he get up early in the morning?
Does sun rise in east?
Note: If the subject in a sentence is “he, she, it, singular or proper noun” the sentence is started with Auxiliary verb “Does”. If the subject in a sentence is “I, we, they, you or plural” the sentence is started with auxiliary verb “Do”. “s” or “es” is not added to main verb in Interrogative sentence
Positive Sentences
I sing a song.
He drinks water
They read lessons
Birds chirp
John reaches home in time.
Water maintains its surface level.
Negative Sentences
I do not sing a song
He does not drink water
They do not read lessons
Birds do not chirp
John does not reach home in time.
Water does not maintain its surface level.
Interrogative Sentences
Do I sing a song?
Does he drink water?
Do they read lessons?
Do birds chirp?
Does John reach home in time?
Does water maintain its surface level?
In Modern Greek, the present tense is used similarly to the present tense in English, and they can also convey the present continuous. As with some other conjugations in Greek, some verbs in the present tense accept different (but equivalent) forms of use for the same person. What follows is an example of present tense conjugation in Greek for the verbs see (βλέπω), eat (τρώω) and love (αγαπώ).
| βλέπω | τρώω, τρώγω | αγαπώ, αγαπάω | |
|---|---|---|---|
| εγώ | βλέπω | τρώω, τρώγω | αγαπώ, αγαπάω |
| εσύ | βλέπεις | τρως, τρώεις | αγαπάς |
| αυτός/αυτή/αυτό | βλέπει | τρώει, τρώγει | αγαπά(ει) |
| εμείς | βλέπουμε | τρώμε, τρώγομε, τρώγουμε | αγαπάμε, αγαπούμε |
| εσείς | βλέπετε | τρώτε, τρώγετε | αγαπάτε |
| αυτοί/αυτές/αυτά | βλέπουν(ε) | τρών(ε), τρώγουν(ε) | αγαπούν(ε), αγαπάν(ε) |
The Romance languages are derived from Latin, and in particular western Vulgar Latin. As a result, their usages and forms are similar.
In Latin, the present tense can be translated as being progressive or simple. Below is an example of present indicative tense conjugation in Latin.
| plicāre | debēre | dicere | cupere | scīre | |
|---|---|---|---|---|---|
| ego | plicō | debeō | dīcō | cupiō | sciō |
| tu | plicās | debēs | dīcis | cupis | scīs |
| is, ea, id | plicat | debet | dicit | cupit | scit |
| nos | plicāmus | debēmus | dīcimus | cupimus | scīmus |
| vos | plicātis | debētis | dīcitis | cupitis | scītis |
| ei, eae, ea | plicant | debent | dīcunt | cupiunt | sciunt |
In French, the present tense is used similarly to that of English. Below is an example of present tense conjugation in French.
| parler | perdre | finir | partir | |
|---|---|---|---|---|
| je | parle | perds | finis | pars |
| tu | parles | perds | finis | pars |
| il/elle/on | parle | perd | finit | part |
| nous | parlons | perdons | finissons | partons |
| vous | parlez | perdez | finissez | partez |
| ils/elles | parlent | perdent | ←finissent | partent |
To express (and emphasise) the present continuous, expressions such as "en train de" or "en cours de" may be used. For example, Jean est en train de manger, may be translated as John is eating, John is in the middle of eating. On est en train de chercher un nouvel appartement may be translated as We are looking for a new apartment, we are in the process of finding a new apartment.
In Italian, the present tense is used similarly to that of English. What follows is an example of present indicative tense conjugation in Italian.
| parlare | vedere | sentire | |
|---|---|---|---|
| io | parlo | vedo | sento |
| tu | parli | vedi | senti |
| egli/ella | parla | vede | sente |
| noi | parliamo | vediamo | sentiamo |
| voi | parlate | vedete | sentite |
| essi/esse | parlano | vedono | sentono |
The present tenses of Portuguese and Spanish are similar in form, and are used in similar ways. What follows is an example of the present indicative conjugation in Portuguese.
| falar | comer | insistir | |
|---|---|---|---|
| eu | falo | como | insisto |
| tu | falas | comes | insistes |
| ele/ela/você | fala | come | insiste |
| nós | falamos | comemos | insistimos |
| vós | falais | comeis | insisteis |
| eles/elas | falam | comem | insistem |
There follows an example of the corresponding conjugation in Spanish.
| hablar | comer | insistir | |
|---|---|---|---|
| yo | hablo | como | insisto |
| tú | hablas | comes | insistes |
| él / ella / usted | habla | come | insiste |
| nosotros | hablamos | comemos | insistimos |
| vosotros | habláis | coméis | insistís |
| ellos / ellas / ustedes | hablan | comen | insisten |
In Bulgarian, the present indicative tense of imperfective verbs is used very similarly to that of English. It can also be used as present progressive. Below is an example of present indicative tense conjugation in Bulgarian.
| писати* | говорити* | искати* | отваряти* | |
|---|---|---|---|---|
| аз | пиша | говоря | искам | отварям |
| ти | пишеш | говориш | искаш | отваряш |
| той, тя, то | пише | говори | иска | отваря |
| ние | пишем | говорим | искаме | отваряме |
| вие | пишете | говорите | искате | отваряте |
| те | пишат | говорят | искат | отварят |
*Archaic, no infinitive in the modern language.
The present tense of the Macedonian language is made of the imperfective verbs. The following table shows the conjugation of the verbs write (пишува/pišuva), speak (зборува/zboruva), want (сака/saka) and open (отвaра/otvara).
| пишува | зборува | сака | отвaрa | |
|---|---|---|---|---|
| јас | пишувам | зборувам | сакам | отвaрам |
| ти | пишуваш | зборуваш | сакаш | отвaраш |
| тој, таа, тоа | пишува | зборува | сака | отвaра |
| ние | пишуваме | зборуваме | сакаме | отвaраме |
| вие | пишувате | зборувате | сакате | отвaрате |
| тие | пишуваат | зборуваат | сакаат | отвaраат |
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