【正文】
的句子, 其否定、疑問(wèn)的變化和is, am, are一樣,即否定句在was或were后加not,一般疑問(wèn)句把was或were調(diào)到句首。3.句中沒(méi)有be動(dòng)詞的一般過(guò)去時(shí)的句子(1) 否定句:didn’t +動(dòng)詞原形,如:Jim didn’t go home yesterday.(2)一般疑問(wèn)句:在句首加did,句子中的動(dòng)詞過(guò)去式變回原形。如:Did Jim go home yesterday?(3)特殊疑問(wèn)句:疑問(wèn)詞+did+主語(yǔ)+動(dòng)詞原形?如:What did you do yesterday? I read a book.