If he __(be)here before 10 o'clock,I shall see him.
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Ifhe__(be)herebefore10o''clock,Ishallseehim.Ifhe__(be)herebefore10o''clock,Ishallseehim.Ifhe__(be)here
If he __(be)here before 10 o'clock,I shall see him.
If he __(be)here before 10 o'clock,I shall see him.
If he __(be)here before 10 o'clock,I shall see him.
填has been,这道题主要考查了主句中的shall的用法,shall主要有这三种用法：1.shall用于第一人称的肯定句或否定句中,跟表示将来的will的用法和意义是一模一样的.2.shall用于第二人称时表示命令、强制、警告、允诺.3.shall用于第一/三人称的疑问句中,表示征求对方的意见或建议.而从句中又有before这个现在完成时的标志词,所以填has been.翻译成：如果他在十点前就已经在那儿了,我将会见到他.
were
should be,表对将来的虚拟.
were 虚拟啦
has been
从句有状语before 10 o'clock，用完成时态表示将来。主句用一般将来时态。例如
I shall call you if I have finished my work.
If he __(be)here before 10 o'clock,I shall see him.
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he must ( )here.《be》
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He __ be here,but now he has moved to another place.A.used to live B .used to
英语虚拟语气填空帮帮忙谢谢1.SHe was ill yesterday.If she __ (not fall) ill,she __ (attend) the meeting.2.You are late.If you __ (come) two minutes earlier,you __（find) her here.3.He had no time that day.If he __ (have)time,he __ (help)
if he were here,everything would be all right.all would能换成should吗
if anybody comes here,he will be welcome 改为反义疑问句
9.If anybody comes here,he will be welcome, 疑问部分为什么是were there?