a waste of time后面加 doing sth。是动词不定式 to do sth,做time的后置定语。doing sth例如：It is a waste of time working on this 类似的句型有It's no use /no good/ a waste of time doing 一含有ing句型: carry on\keep doing 坚持做某事 practise doing 练习做某事 keep Doing 使某人一直做某事 enjoy doing 喜欢做某事 finish doing 完成做某事 be afraid of doing 害怕做某事 （sth）be worth doing 值得做 be busy doing 忙于做某事 how about doing//what about doing 做某事怎么样 spend some time (in)doing 花时间做某事 spend some money (in) buying 花钱做某事 feel like doing 想做某事 stop/keep/prevent … from doing 阻止某人做某事 thank sb for doing 感谢某人做某事 thanks for doing 感谢做某事 do some cooking/cleaning/reading/shopping/washing 做点饭、打扫一下卫生、读点书、逛逛街、洗洗衣服 go swimming/fishing/shopping/skating/boating 去游泳、钓鱼、逛街、滑冰、划船 mind doing 介意做某事 prefer doing … to doing… 比起做某事更喜欢做某事 can’t help doing 情不自禁做某事 have fun/difficulty/trouble/problem doing 做某事有趣、有困难、有困难、有困难 waste time/money doing 浪费时间、钱做某事 instead of doing 代替做某事 miss doing 错过做某事 二、含有不带to的动词不定式句型： had better (not) do 最好（不）做某事 would you please (not) do 你可以做某事吗？ why not do 为什么不做某事？ why don’t you do 为什么你不做某事？ Shall we do ? 我们要做某事吗？ let sb do 让某人做某事 make/have do 使某人做某事 三、含有带to的动词不定式句型： It’s time to do 现在是做某事的时候了 It takes some time to do 做某事花了某人时间 tell/ask/want/encourage/invite/ to do 告诉、叫、想、鼓励、邀请某人做某事 Would you like to do ? 你想做某事吗/ It’s good/bad to do 做某事好、不好 It’s good/bad for do 某人做某事好、不好 be++enough to do 足够+形容词做某事 is ready to do 某人准备好做某事 It’s++ for to do 做某事对某人+形容词（做这件事对你好） It’s++ of to do 某人做某事+形容词 （你做这件事真好） would like/love /decide/want/wish/to do 想、喜欢、决定、想、希望做某事 would like/love to do 想、喜欢某人做某事 Prefer to do rather than do 宁愿做某事而不愿做某事 I prefer to stay at home rather than go 我宁愿呆在家里不愿出去 how/ when/where/whether to do sth 怎么、什么时候、在哪里、要不要做某事 can’t wait to do 迫不及待做某事 too … to do … 太怎么样而不能做某事 be afraid /ready/able/sure to do 害怕、准备、能够、确定做某事 seem to do 似乎做某事 四、既用带to的动词不定式又用ing形式的句型： stop to do/ doing 停下来做另一件事 停止做某事 forget to do/ doing 忘记做某事 忘记做过某事 ber to do/doing 记住做某事 记得做过某事 on to do/doing 继续做另一件事 继续做某事 like to do/doing 喜欢做某事（临时、长期）love to do/doing 喜欢做某事 （临时、长期）prefer to do/doing 更喜欢做某事 （临时、长期）hate to do/doing 讨厌做某事 （临时、长期）五、下列结构用带to的动词不定式和ing形式含义相同： begin to do/doing 开始做某事 start to do/doing 开始做某事 inue to do/doing 继续做某事 六、既用不带to的动词不定式又用现在分词的句型： 用不带to的动词不定式强调动作的完成过程；用现在分词强调动作的进行状态。 1．hear sb do /doing 听见某人做某事 听见某人正在做某事 listen sb do /doing 听某人做某事 听某人正在做某事 look at sb do /doing 看某人做某事 看某人正在做某事 see sb do /doing 看见某人做某事 看见某人正在做某事 watch sb do /doing 观察某人做某事 观察某人正在做某事 ice sb do /doing 注意到某人做某事 注意到某人正在做某事
星闪乐途
