AFFIRMATIVE NEGATIVE INTERROGATIVE To form the Present Simple Tense we Negative sentences are formed with Interrogative sentences are formed use the verb’s base form (go, walk, the auxiliary verb do/does (he, she, with the auxiliary verb do/does (he, speak). In 3rd person singular (he, she, it), the negative adverb not and the she, it) and the base form of the verb. it) the base form of the verb takes base form of the verb. s/es. Do you always do your We do not do our homework on homework ? I do my homework every day. Saturdays. He likes reading books. He does not like writing essays. Does he like doing tests? Remember rd The 3 person singular is usually The 3rd person singular of do is does. The 3rd person singular of do is formed by adding s. But there are a few That means that in negative sentences does. That means that in exceptions to the rule: the s of the main verb is placed behind interrogative sentences the s of the The verbs can, may, might, must the auxiliary verb do: he works – he main verb is placed behind the remain the same in all forms. So don’t doesn’t work. auxiliary verb do: add s: he can, she may, it must. Does she speak English well? We do not use the auxiliary for the Verbs ending in o or a sibilant (ch, We use inverted word order in verb to be to form negative sentences: sh, s, z, x) add es instead of s: do – he interrogative sentences: I am not does, wash – she washes. do / does + subject + main verb We/ They / You are not at home. A final y after a consonant becomes We do not use the auxiliary for He/ She / It is not ie before s: worry – he worries. the verb to be to form interrogative But a final y after a vowel (a, e, i, o, u) We often use short forms in sentences: is not modified: play – he plays. negative sentences in the Present Am I late for the lesson? The 3rd form singular of have is Simple: Are we / you / they right? has: I have – she has. I / We/ You / They don’t play football. Is he / she / it ill? The verb to be has the following He / She / It doesn’t play football. We do not use the auxiliary in forms in the Present Simple: We/ You / They aren’t tall. interrogative sentences when we use I am He/ She / It isn’t hungry. who, what, which, whose as the We / You / They are subject: He/She /It is Who likes to do grammar exercises?