21.  deserve to do sth    值得/应该做……

　　We must admit that she did deserve to win.

　　22.  encourage sb to do sth    鼓励某人去做某事

　　Encourage them to do some other helpful recreations.

　　23.  enjoy doing sth     喜欢去做某事

　　I enjoy reading the story book

　　24.  expect (sb) to do sth   期望去做某事

　　Don't expect him to help you.

　　25.  fail to do sth        做某事失败

　　succeed doing sth   成功做了某事

　　If you don' t work, you willfail to pass the exam.

　　26.  finish doing sth    做完某事（后接动词-ing形式）（常考）

　　After finish doing your homework, you can have a rest.

　　27.  follow sb to do sth  跟随某人去做某事

　　Follow me to read the new words.

　　28.  get sb to do sth /  make sb do sth/    let sb do st  让某人做某事（后接动词原形）

　　Her jokes made us  laugh.

　　29.  get/have a chance to do sth   得到一个做某事的机会

　　I'm very happy to have a chance to visit your school.

　　30.  give/pass/show/lend/sell sb sth/sth to sb

　　buy/get/bring sb sth/sth for sb

　　Please give me a piece of paper.

　　I bought him a drink in return for his help.