Before long,he __will forget___ all about what happened today横线处为什么不能用will have forgetten
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Before long,he __will forget___ all about what happened today横线处为什么不能用will have forgetten
Before long,he __will forget___ all about what happened today
横线处为什么不能用will have forgetten
Before long,he __will forget___ all about what happened today横线处为什么不能用will have forgetten
表示将来某时刻前 或 某动作发生之前已完成的动作 才用将来完成时
一般过去时
will是助动词,have也是助动词,forget是动词,助动词后应加动词作谓语
没有强调前后不能用have
forget是非延续性动词
( )31.He said he had been to Hong Kong ____ and he would go there _____ once again.A.long before,before long B.before long,long beforeC.long ago,before long D.long before,long before
He said that he was going to visit China before long and he had the idea long before.这里long before 与before long
He had worked in this school ___ the war broke out,but___ he had to leave the school.A long before;long beforB before long;before longC long before;before longD before long;long before
He could run the machine by himself______.A.long before B before long C a long ago D ago long
long before和before
long before 和before
long before和before
It wasn’t long before he learned English.
how long _______ he__________London before he came here?
How long before did he join the army?改错.
How long before did he join the army?改错
I'm sure he will be back __.just wait a minute.A.long before B.before long C.after long D.long after
long before,before long,soon before,before soon的区别
9. ____ he will leave for Beijing. A. It will not long before B. It is before long that C. It is before long D. It was before long that答案是D选项.为什么不能选B选项
before long 和 long before 怎么分辨?
before long 和long before的区别
before long和long before区别
long before ,before long的区别