【正文】
形式有兩種 :動(dòng)詞原形或第三人稱(chēng)單數(shù)動(dòng)詞形式 (如 : enjoy叫原形 , enjoys叫第三人稱(chēng)單數(shù)形式 )。 2. 否定句: (1) 第三人稱(chēng)單數(shù)主語(yǔ) +does not 或doesn?t +動(dòng)詞原形 +…… He doesn?t enjoy playing football. (2) 其他人稱(chēng)的主語(yǔ) +don?t +動(dòng)詞原形+…… I don?t like swimming. 助動(dòng)詞 Do的使用: 在一般現(xiàn)在時(shí)的否定句及一般疑問(wèn)句中, 實(shí)義動(dòng)詞本身不能完成否定和提問(wèn),需要找一個(gè)詞來(lái)幫助它完成否定或一般疑問(wèn),而這個(gè)詞就是 do,叫做助動(dòng)詞。 在主語(yǔ)是第三人稱(chēng)單數(shù)時(shí), do要變?yōu)榈谌朔Q(chēng)單數(shù)形式,即 does。 3. 一般疑問(wèn)句及其肯、否定回答: (1) Does +第三人稱(chēng)單數(shù)主語(yǔ) +動(dòng)詞原形+……? 肯定回答 : Yes, +第三人稱(chēng)單數(shù)的代詞+does. 否定回答 : No, + 第三人稱(chēng)單數(shù)的代詞+ doesn?t/ does not. Does he enjoy football? Yes, he does. No, he doesn?t/does not. (2) Do +其他人稱(chēng)的主語(yǔ) +動(dòng)詞原形+……? 肯定回答 : Yes, + 其他人稱(chēng)的代詞 +do. 否定回答 : No, +其他人稱(chēng)的代詞+don?t / do not. Do they e from Guangdong? Yes, they do. No, they don?t / do not. 縮寫(xiě)形式小結(jié) : doesn?t = does not don?t = do not Dear David, At the weekend, I usually __ (go) running for half and hour. Then I ____ (play) football. My mother ____________ (not watch) our games but my fa