请问：The boy pretended to be working hard.中为什么用pretended而不用pretend

请问：The boy pretended to be working hard.中为什么用pretended而不用pretend The little boy pretended ( ) when his mother caThe little boy pretended ( ) when his mother came in.A.sleeping B.asleep C.to asleep D.to be asleep The naught boy pretended ________ (read) when he saw his mother coming. the boy pretended ( )when his mother entered.括号中为什么填 to be reading Rewrite the following sentences without changing the meaning.When the teacher came in,the boy pretended that he was reading.When the teacher came in,the boy pretended ____ _____ ____. the boy pretended to be reading a book when the teacher came in.改为强调状语的强调句 求 分析一下这句话的句子成分The boy pretended to be working hard.男孩假装工作得很努力。 the teacher pretended ——angry. The children pretended ()the paper cakes they had made themselves 初三英语题两道The boy pretended ______ when his motherentered.A.reading B.to read C.to be reading D.being reading为什么选C.The boys played computer games happily，_____(forget)all about their homework.为什么填forgetting 同义句改写：He pretended that he didn't know the answerHe pretended ____ ____ know the answer Where_____(be) the boy and the girl.请问为什么? 将下列简单句合并成目的状语从句,注意使用情态动词 1.The little boy pretended to be sick.He wanted to stay at home from school.2.I turned on the radio.I wanted to listen to the news.3.I am going to leave the party early.I want to he pretended to have read the book before 有三个问号哦这句子是现在完成时吗?若是,那请问为什么用现在完成时,而不用过去完成时呢?用了过去完成时意义是什么? 三道英语选择题.要理由(4)D 1 The boy pretended ____when his mother entered his room.A.to asleep B.reading C.to read D.to be sleepingC 2 If you want to pass the exam,___,you must work hard.A at first B at the beginning C.first of all D.from t 翻译The soldier pretended to run away and the enemies,in pursuing them,were finaly tapped. 高中英语73It isn't much use__that I didn't know the rules.A my pretending B that I pretend C pretended D I pretended 英语语法高手进1,Isn't it hard to drive downtown to work?Yes,that's why I _____ to work by train.A,have been going B,went C,had gone D,goes2,The boy pretended ____ when his mother came in.A,to fall asleep B,to be sleep C,sleeping D,asleep以上