1) 當(dāng)人稱做主語,謂語動(dòng)詞是be動(dòng)詞時(shí),有順口溜:be動(dòng)詞三變化;am,is are .我I用am ,你 you 用are .is 緊跟 他她它he she it.復(fù)數(shù)人稱都用are.
2) 當(dāng)人稱做主語,謂語動(dòng)詞是實(shí)意動(dòng)詞動(dòng)詞時(shí)..根據(jù)時(shí)態(tài)要求用過去時(shí)-ed.此時(shí)沒有人稱變化.we\she\he\they walked to school.
3)當(dāng)人稱做主語,謂語動(dòng)詞是實(shí)意動(dòng)詞動(dòng)詞時(shí)..根據(jù)時(shí)態(tài)要求用進(jìn)行時(shí)(be +Ving).此時(shí)有人稱變化.可用以上順口溜:I am going to school .She is going to school .We are going to school ...
4)當(dāng)物做主語時(shí).物是單數(shù)或Ving形式,謂語是be 時(shí).用單數(shù).THe book is new.Going to bed early is good for us.
5)當(dāng)物做主語時(shí).物是復(fù)數(shù),謂語是be 時(shí).用復(fù)數(shù).THose books are new,there be 結(jié)構(gòu)遵訊就近原
6)當(dāng)物做主語時(shí).物是復(fù)數(shù)或單數(shù),謂語是實(shí)意動(dòng)詞時(shí).Ved 都沒有變化