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形式为..Do sth葛词组

important to do sth. 这个组合用于特定句式: It is important to do sth. 表示做某事是很重要的,it 是形式主语,to do sth是真正的主语。 而important to doing sth. 这是词组 be important to ...的一种特殊形式,这里to 是介词,doing是动...

Xiao Ming often helps his parents do some chores . 晓明时常帮父母做些家务活。 Xiao Ming often does spme chores for his parents.

这几乎有无数个,不过有个规律:如果有两个动词相连,那么两词之间要加to(不定式) 在情态动词(can,let等)或助动词(do,does等)后面就用do (原型)sth形式 在be动词后,for后,喜欢(prefer,like,enjoy等)后等等用进行时(doing sth)

go on doing继续做某事 go on to do继续做其他事 例:After having a rest,I went on doing mu homework. 休息一会后,我继续做作业(说明休息前就在做此事) After cleaning the floor,I went on to clean the window. 擦完地后,我又继续擦玻璃...

你具体是几年级的?

助动词do,did,does 情态动词:can,may,must,should,could,might,shall等 感观动词:look,listen,hear,see,watch,feel后表看到,听到整个动作过程的时候接动词原形suggest,request等后面接虚拟语气形成suggest...should do sth.时 用动词原形还有...

记住start to do这个词组,这里是不定式to do,后面应该是原型,所以是come up

通常只能接不定式作宾语的动词: agree (同意); offer (提出); intend, plan (打算,计划); demand, ask (要求); promise (答应); help (帮忙); prepare (准备); decide (决定); refuse (拒绝);dare (敢于); choose (选择); wish,...

是动词词组。可以整体当动词。

volunteer to do sth 自愿做某事 Aunt Mary volunteered to clean up the kitchen. 玛丽姨妈主动要求打扫厨房。

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