語(yǔ)法精講 | 動(dòng)詞什么時(shí)候加ing

　　1動(dòng)詞加ing做謂語(yǔ)情況

　　做謂語(yǔ)時(shí)動(dòng)詞加ing前面必須加上be動(dòng)詞,形成be+動(dòng)詞ing(現(xiàn)在分詞)作句子謂語(yǔ)，構(gòu)成進(jìn)行時(shí)態(tài)句子。

　　例如:

　　He is reading a book now.他正在看書(shū).

　　He was watching TV when his mother came in.他媽媽進(jìn)來(lái)時(shí)，他正在看電視。

　　They've been waiting for you for three hours.他們等你三個(gè)小時(shí)了.

　　1動(dòng)詞加ing做非謂語(yǔ)情況

　　1、動(dòng)詞作介詞的賓語(yǔ)要加ing(動(dòng)名詞)

　　I'm looking forward to seeing you again.我期盼著再次見(jiàn)到你.

　　The boy is so excited about hearing from his mother.男孩為收到他媽媽的來(lái)信很興奮。

　　2、部分動(dòng)詞用動(dòng)詞做賓語(yǔ)。做賓語(yǔ)的動(dòng)詞要加ing(動(dòng)名詞)

　　I Practising speaking English Every day.我每天練習(xí)說(shuō)英語(yǔ).

　　Could you mind opening the door?你介意開(kāi)門(mén)嗎？

　　I have finished reading three books.我已經(jīng)看完三本書(shū).

　　The old man Enjoys living in the country.這老人喜歡住在農(nóng)村.

　　3、一些固定句式后面要加動(dòng)詞ing(現(xiàn)在分詞)

　　We have fun Playing in the park on Sunday.

　　Most students have problems speaking English.

　　4、動(dòng)詞修飾名詞做后置定語(yǔ)時(shí)，要加ing(現(xiàn)在分成)

　　There is a boy Crying over there.

　　I felt something moving in the house.

　　I heard someone singing in the next room.

　　5、動(dòng)詞做主語(yǔ)和表語(yǔ)時(shí)，動(dòng)詞要加ing(動(dòng)名詞)

　　Swimming is very popular in summer.

　　His job is teaching English. 綜上所述，動(dòng)詞在以上六種情況需要加ing！

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