The present simple tense

Form

In the affirmative the present simple tense has the same form as the infinitive but adds an s for the third person singular

Affirmative	Negative	Interrogative	Negative interrogative
I work he works she works it works we work you work they work	I do not work he does not work she does not work it does not work we do not work you do not work they do not work	do I work does he work? does she work? does it work? do we work? do you work? do they work?	do I not work? does he not work? does she not work? does it not work? do we not work? do you not work? do they not work?

Irregular verbs form this tense in exactly the same way.

Contractions: the verb do is normally contracted in the negative and negative interrogative:

I don’t work, he doesn’t work,

Don’t I work? Doesn’t he work?

Spelling of third person singular forms

1The normal rule is to add – s to the infinitive: work— works sit— sits ask - asks

2 Verbs ending in a consonant + y change y to i and add –es: cry - cries hurry - hurries reply – replies fly – flies carry - carries study - studies

3. Verbs ending in a vowel + y obey the usual rule:

obey - obeys play – plays buy – buys enjoy - enjoys

3. Verbs ending in - s, -z, -ch, -sh, and - x add -es to infinitive:

miss - misses buzz - buzzes watch - watches push - pushes fix - fixes dress - dresses

Exception s: have - has go- goes do - does

Дата добавления: 2015-07-20