3.主谓一致：单个动名词（短语）作主语时，谓语动词用单数形式；两个或两个以上表达不同意义的动名词（短语）作主语时，谓语动词用复数形式。Talking is easier than doing . 说比做容易。Watching TV and reads books become a routine for me since then.从那时起，看电视和读书就成了我的日常生活。4、形式主语it：为使句子平衡，用 it 作形式主语，把动名词（短语）置于句末。【常见句型】：(1) It is/was no good/use/useless doing sth. 做……没有好处/用处。(2) It is/was a waste of time/money doing sth. 做某事是浪费时间/金钱。(3) It is/was worth doing sth. 做……是值得的。5、词-ing形式的变化规则：(1) 一般情况下，直接加-ing;go—going ask —asking look—looking carry—carrying(2)以不发音的-e结尾的动词，去-e加-ing;write—writing make—making take—taking move—moving live—living leave—leaving(3)以重读闭音节结尾，即“辅+元+辅”结尾的动词，先双写末尾字母，再加-ingswim-swimming run-running put-putting sit-sitting begin-beginning plan-planning cut-cutting get-getting shop-shopping stop-stopping regret-regretting dig-digging prefer-preferring(4)以x、w、y结尾的动词直接加-ingfix-fixing follow-following carry-carrying enjoy-enjoying try-trying play-playing study-studying(5)-ie结尾的动词，把-ie改为-y，再加-ing。die-dying tie- tying lie-lying【特别注意不定式、动名词作主语时的区别】：1.一般来说，表示比较抽象的、经常的行为, 通常不与特定的动作执行者联系在一起，多用动名词;Swimming is my favourite sport and I swim three times a week. (一般性动作）2.而表示特定的，具体的行为，特别是将来的行为,强调的是动作,往往与特定的动作执行者联系在一起，多用不定式。To have a picnic on such a wonderful day is a great idea. (某次具体的动作）例句：1.学习一门外语/生活技能对我很益处。Learning a foreign language/life skill is very useful to me.2.打排球/篮球/网球/乒乓球/羽毛球/踢足球是我最喜欢的运动。Playingvolleyball/basketball/tennis/table tennis/badminton/football is my favorite sport.3.弹吉他/钢琴/小提琴/打鼓/集邮是我的爱好之一。Playing the guitar/piano/violin/drums/ collecting stamps is one of my hobbies.4.听磁带/英文歌/看英文电影/记关键句型是一个学习英语的好方法。。Listening to tapes /English songs/ Watching English films/ Memorizing key sentence patterns is a good way to learn English.5.我认为研学旅行是很有教育意义的。I think going on study trips is very educational/ meaningful.6.保持良好的饮食习惯在我们日常生活中变得越来越重要。Keeping good eating habits is becoming increasingly important in our daily lives.7.多吃健康的食物/少吃垃圾食品对我们身体有好处。Eating more healthy food/Eating less junk food is beneficial (good for) to our bodies.8.运动可以使我们摆脱压力。Doing sports/exercise can free us from the pressure.9.参加社区服务是对你所在的社区产生影响的好方法。Taking part in community service is a great way to make a difference to your neighborhood.10.出国留学不仅能够打开我们的视野，还能够培养我们的独立能力。Studying abroad not only broadens our horizons (open our minds), but also exercises our independence.11.学习而不实践没有好处。It is no good learning without practice.12.正如谚语所说，“覆水难收”。As a proverb says , "It's no use crying over spilt milk."13.读书让我聪明，也让我大开眼界。Reading makes me wise as well as open my eyes.14.最后，做志愿者工作是一个不错的选择。这让我成为一个有责任感的人。Finally, doing volunteer work is a good choice. It makes me a person of responsibility.15.帮助别人也会让我们感觉良好，有成就感。Helping others also makes us feel good and have a sense of achievement.
