him do his work.РHe was made to do his work (by me).Р不定式用在介词but, except, besides?后时,如果这些介词前有行为动词do的?各种形式,那么介词后的不定式不带to,?相反则带to.Р(1). She could do nothing but cry.?(2). I have no choice but to go.?(3).What do you like to do besides sleep.РI have something to say.?He has a lot of homework to do .?He is looking for a room to live in .?There is nothing to worry about.Р(5). 定语Р(如果不定式中的动词是不及物动词,?则不定式中要有介词.)Р不定式作定语时,应放在被修饰词的后面,而且放在其他后置定语之后。Р1. 不定式做定语与所修饰的词之间有三种关系:Р(1)动宾关系 I have a lot of work to do.我有很多工作要做。(2)主谓关系 He is always the first e.他总是第一个来。(3)同位关系 We all have a chance to go to college.? 我们都有上大学的机会。Р2. 不定式所修饰的名词或代词是不定式动作的地点工具等,即使是及物动词,不定式后面仍须有相应的介词。Р3. 不定式所修饰的名词如果是time, place或way,不定式后面的介词习惯上要省去。? He had no money and no place to live.? 他没钱没地方住。Р请给我一支写字的笔.РPlease give me a pen to write with.