Can,could,be able to什么时候用

相关推荐

• 什么时候用CAN'T,什么时候用CANNOT有时候经常会看到这两种写法,是一样的吗?或者有什么不同?我看到的cannot中间是没有空格的!那为什么要一下子用这个一下子用那个呢?
• i can not tell her age .she could be ( )from 30 to 40为什么用anything
• I told her that she could stay with us.为什么用could不用can
• 用can、can't、could、couldn't写一篇关于自己的短文 不少于60词
• 1.IF YOU SPEAK A LOT,YOU WILL__SPEAK ENGLISH WELL.A.can B.BE ABLE TO C.ARE ABLE TO D.COULD
• can,could和be able to的区别
• Could I borrow your book?回答:Yse,you____是什么?A.can B.could C.were able D.may 为什么?
• 用动词不定式改写下列句子1.the accident was so terrible that we can`t talk about it2.was cortes the first european who ever saw the pacific ocean?3.here is something that you can do while you`re waiting4.i haven`t decided whether i shall answer his letter or not5.she stood up so that she could be seen better6.my brother got up early in order that he would have enough time to pack7.i`ll buy you some magazines which you may read on the journey8.we thought is wrong t
• 英语情态动词和助词的练习选择填空1.Although he tried , he ___ not make it. A.should B.would C.might D.could2.The last bus has left . We ___ walk home. A.must B.could C.have to D.can3.-___ I have a word with your mother? - Sure. A.Need B.Must C.May D.Should4.I ___ speak a little English when I was four. A.can B.could C.may D.must5.I think I ___ speak English very well when I finish my lessons. A.could B.shall be able to
• Neither he nor_____have finished the experiment.A she B her C me D I (用啥格阿...晕了Road accidents are____to happen in such snowy weather.A able B likely C impossible D hardly     (A和B有什么区别的?The person___the songs can speak seven languages.A translated B translating C to translate D translate (完全看不出时态..More than fifty years____since they got married.A have passed B has passed C passed D had passed (跟since有关?
• 设函数gx=x方-2(x属于R) fx=｛①gx+x+4,x
• 已知函数fx,gx分别由下表给出 x 1 2 3 x 1 2 3 f(x) 1 3