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Helping her is my duty. Talking mends no holes. 空談無濟(jì)于事。 Working with you is a pleasure. 和你一起工作是一種樂趣。 動名詞做主語和不定式做主語一樣,也可以用 it 作形式主語。如: It39。s rather tiring walking around in a city. 不定式做主語往往表示具體的特別是將來的動作。如: It39。s no use crying over spilt 。 He realized that to go on like this was wrong. 二 . 動名詞作賓語的用法 1.有些動詞或短語動詞后常用動名詞作賓語。如 admit, appreciate, avoid, can39。t stand(不能忍受) , consider, delay, devote ? to, dislike enjoy, escape, excuse, feel like, finish, five, get down to, give up, imagine. insist on, keep (on), look forward to, mention, mind, miss(錯過) , pay attention to, practice, put off, stick to, suggest 等等。 Doing morning exercises is good for your health. 做早操對你的健康有好處。 Her shoes wants mending. 她的鞋該修理了。 注意 : 當(dāng) need, want, require, worth 后面接 doing也可以表示被動。 Your hair wants cutting. 你的頭發(fā)該理了。 The floor requires washing. 地板需要沖洗。 I have finished writing this 了。 2. 在 allow, advise, forbid, permit 后直接跟動名詞作賓語,如果有名詞或代詞作賓語,則構(gòu)成“ allow/ advise/ forbid/ permit +名詞/代詞+不定式(賓語補(bǔ)足語)”之形式。如: We don39。t allow smoking here. We don39。t allow anybody to smoke here. 3. 動詞 need, require, want意為“需要”時,后跟動名詞的主動式或不定式的被動式作賓語,意義沒有區(qū)別。如: The window needs/ requires/ wants cleaning/ to be cleaned. 4. 在 begin, continue, love, like, hate, prefer, intend, start 后用動名詞和 用不定式作賓語均可,意義沒有多大區(qū)別。 5. 動詞 fet, go on, mean, regret, remember, stop, try, be used to, can39。t help 后跟動名詞和跟不定式區(qū)別較大,須注意 。 fet, regret, remember后跟動名詞,動名詞表示已經(jīng)發(fā)生的動作;后跟不定式表示將要發(fā)生的動作。 Period910 writing and checking the answers of the exercises