She doesn't do her homework everyday.
或She does not do her homework everyday.
方法：1.看所提供題目的時(shí)態(tài).2.再看句中有沒有情態(tài)動(dòng)詞,如果有,那就在情態(tài)動(dòng)詞后面直接加 not 變成否定句,如果要變成一般疑問句,那么就直接把情態(tài)動(dòng)詞提前即可.3.如果沒有情態(tài)動(dòng)詞,看看有沒有 be 動(dòng)詞,如果有,那就在 be 動(dòng)詞后面直接加 not 變成否定句,如果要變成一般疑問句,那么就直接把 be 動(dòng)詞提前即可.4.如果即沒有情態(tài)動(dòng)詞又沒有 be 動(dòng)詞,那么就要借助助動(dòng)詞,在這之前先分清每句的時(shí)態(tài),如果是一般現(xiàn)在時(shí),那么就要跟著人稱進(jìn)行相應(yīng)的變化（ do / does ）,如果是過去時(shí),只提 did 即可 ,注意,如果提出了助動(dòng)詞,原來的動(dòng)詞要變回原形.
例：1.We can go to that park with our teacher next week.
否定 句→ We can not (can't) go to that park with our teacher next week
一般疑問句 → Can you go to that park with our teacher next week?
解析：因?yàn)?can 是情態(tài)動(dòng)詞,所以直接在情態(tài)動(dòng)詞后面加 not 變?yōu)榉穸ň?當(dāng)變成一般疑問句時(shí),只要把情態(tài)動(dòng)詞提前就可以了,在這道題目中,因?yàn)橹髡Z是 We ,所以在變疑問句時(shí),要進(jìn)行人稱的轉(zhuǎn)換.
2.She is good at dancing.
否定 句→ She is not (isn't) good at dancing.
一般疑問句 → Is she good at dancing?
解析：因?yàn)?is 是 be 動(dòng)詞,所以直接在 be 動(dòng)詞后面加 not 變?yōu)榉穸ň?當(dāng)變成一般疑問句時(shí),只要把 be 動(dòng)詞提前就可以了 .
3.I wash my face every day.
否定 句→ I don't wash my face every day.
一般疑問句 → Do you wash your face every day?
解析：因?yàn)檫@道題中即沒有情態(tài)動(dòng)詞又沒有 be 動(dòng)詞,那么就要借助助動(dòng)詞,看到了 wash 和 every day ,知道是一般現(xiàn)在時(shí),主語是 I ,所以借助助動(dòng)詞 do ,再在助動(dòng)詞后面加 not 變?yōu)榉穸ň?變成一般疑問句時(shí),把助動(dòng)詞提前,但是原來的動(dòng)詞要變回原形.第一人稱和第三人稱復(fù)數(shù)借助助動(dòng)詞 do .
4.He plays football on the playground after dinner every day.
否定 句→ He does not (doesn't) play football on the playground every day.
一般疑問句 → Does he play football on the playground every day?
解析：因?yàn)檫@道題中即沒有情態(tài)動(dòng)詞又沒有 be 動(dòng)詞,那么就要借助助動(dòng)詞,看到了 plays 和 every day ,知道是一般現(xiàn)在時(shí),主語是 he ,所以借助助動(dòng)詞 does ,再在助動(dòng)詞后面加 not 變?yōu)榉穸ň?變成一般疑問句時(shí),把助動(dòng)詞提前,但是原來的動(dòng)詞 plays 要變回原形 play .第三人稱單數(shù)借助助動(dòng)詞 does .