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態(tài): 一般現(xiàn)在時,現(xiàn)在進行時,一般過去時,現(xiàn)在完成時,一般將來時,過去進行時,過去完成時,過去將來時 1. 一般現(xiàn)在時 表示一般性,經(jīng)常性的動作或一般性事實。 u 含有 be 動詞的句子 He is a teacher. The girl is very beautiful. Tim and Jack are students. ★變疑問句將 be 動詞移到句首? Is he a teacher? Is the girl very beautiful? Are Tim and Jack students? ★變否定句在 be 動詞后面加 not He is not a teacher. The girl is not very beautiful. Tim and Jack are not students. ★肯定回答及否定回答 Yes, he is. No, he is not. Yes, she is. No, she is not. Yes,