【—輔導(dǎo)之動(dòng)詞ing和帶to不定式作主語(yǔ)】下面是對(duì)動(dòng)詞ing和帶to不定式作主語(yǔ)語(yǔ)法的講解，同學(xué)們認(rèn)真學(xué)習(xí)。

　　動(dòng)詞ing和帶to不定式作主語(yǔ)：

　　To be a teacher is my dream. Working hard brings you success.

　　Taking care of our environment is very important. To plant trees makes me happy.

　　Reading books gives you knowledge. (以上各句謂語(yǔ)都用單數(shù)，見(jiàn)黑體部分)

　　Listening and writing are both difficult. (此句主語(yǔ)因指兩件事，謂語(yǔ)用復(fù)數(shù))

　　18.later / after / ago / before: 1later“…時(shí)間后”結(jié)構(gòu)：時(shí)間段+later

　　常用于一般過(guò)去時(shí)。They went to Beijing five days later.

　　(later前無(wú)時(shí)間段，單獨(dú)在句尾，常用于將來(lái)時(shí)：I’ll see you later.)

　　2after“…時(shí)間后”結(jié)構(gòu)：after+時(shí)間段，常用于一般過(guò)去時(shí)，和1相同。

　　They went to Beijing after five days. The dog died after a week.

　　(after也可加句子, 但主句不一定用一般過(guò)去時(shí)：I’ll send you an e-mail after I get home.

　　Return it to me after you finish it. 見(jiàn)2.)

　　3ago“…時(shí)間前”結(jié)構(gòu)：時(shí)間段+ago, 用于一般過(guò)去時(shí)。

　　The Greens moved to Shanghai 初中數(shù)學(xué) four weeks ago. I saw it ten minutes ago.

　　(若有since+時(shí)間段+ago，常用現(xiàn)在完成時(shí)：Mr. Li has worked here since 5 years ago.)

　　4before 單獨(dú)放在句尾，常用現(xiàn)在完成時(shí)：“以前”

　　I have been to London before. He has seen the film before.

　　(若是時(shí)間段+before,常用過(guò)去完成時(shí)，“…前”： I had seen the film two weeks before. We had found out the answer to the problem an hour before.)

　　希望以上對(duì)動(dòng)詞ing和帶to不定式作主語(yǔ)語(yǔ)法的講解，能很好的幫助同學(xué)們對(duì)的掌握，希望同學(xué)們?cè)诳荚囍腥〉煤贸煽?jī)。

本文來(lái)自：逍遙右腦記憶 http://portlandfoamroofing.com/chuzhong/95903.html

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