57. take turns to do sth 輪流做……

　　They take turns to do the cleaning。

　　58. tell sb (not)to do sth 叫某人去(不要)做某事

　　He tell me not to swim in that lake。

　　59. There is no need (for sb) to do sth 對(duì)某人來(lái)說(shuō)沒(méi)必要做某事

　　There is no need for you to worry。

　　60. There is notime (for sb ) to do sth

　　have no time to do sth 沒(méi)時(shí)間做某事

　　There is no time to think .I have no time to do morningexercises。

　　61. too…(for sb) to …… so… that… not… enough to do…太……以致不能

　　The boy is too young to go to school。

　　62. try/do one's best to do sth 盡力去做某事

　　try to do sth 試著(圖)做某事

　　We must try our best to do the job。

　　63. used to do sth 過(guò)去常做某事

　　I used to live in the country。

　　used to be + adj/a +n 曾經(jīng)是.。。

　　Mr wang used to be a teacher worker。

　　64. would like to do sth=want to do sth= feel like doing sth想要做……

　　want/would like sb to do sth 想某人做……

　　I don't feel like walking very much today。

　　I would like you to go away。

　　65. warn sb (not) to do sth 警告某人做某事(或不要做某事)

　　His mother warned him not to go out in the evening。

　　66. Why don't you do sth ?= Why not do sth ?為什么不……(表建議的句型，注意用動(dòng)詞原形)

　　Why not have a rest?

　　表示建議的句型還有：

　　Shall we……?

　　What /How about……?(如果是動(dòng)詞，要用ing形式)

　　How about going fishing?

　　67. Would you like (sb) to do sth ?Yes, I'd love to 。

　　Would you like to join us?

　　Would you like me to buy you some food?

　　68. Would you mind doing sth ? 你介意做某事嗎?

　　回答：不介意(No+……)

　　Never mind/Not at all/Of course not/Certainly not 。(從不介意/一點(diǎn)也不介意/當(dāng)然不會(huì)了)

　　回答：介意(Yes+……)

　　I'm sorry but I do./Sorry, you'd better not./ I'm afraid youcan't。

　　-Would you mind my opening the door?

　　- No,of course not。

　　69. Would you please (not) do sth 你可不可以做(不做)……?

　　Would you please open the door? / Would you please not closethe windows?

　　70.常用固定短語(yǔ)

　　finish doing sth 完成某事

　　She finished cleaning the room。

　　practise doing sth 練習(xí)做某事

　　You'd better practising reading and speaking English everyday。

　　be good at doing sth 擅長(zhǎng)做某事

　　I am good at playing basketball。

　　go on doing sth 繼續(xù)做某事，指前后做的是同一件事。

　　The students went on talking and laughing all the way。

　　Go on doing the other exercise after you have finished thisone。

　　be busy doing sth 忙于做某事

　　I am busy in cleaning my room。

　　see/hear/watch sb doing sth 聽(tīng)/看/觀察到某人正在做某事

　　I hear him singing。

　　be afraid of doing sth 擔(dān)心(害怕)會(huì)發(fā)生某事

　　My little sister is afraid of staying at home alone。

　　be interested in doing sth 對(duì)做某事的興趣。

　　I'm interested in playing games。