1.Please donnot leave the office until your father ___ back.
问题描述：
1.Please donnot leave the office until your father ___ back.
A.came B.comes C.have come D.will come
2.It seemed that oid man__for something over there.
A.looks B.looked C.was looking D.has looked
3.As she____the newspaper,Granny_____asleep.
A.read,was falling B.was reading,fell
C.was reading,was falling D.read,fell
4.--What is her name?
--I ______.
A.forget B.forgot C.had forgotten D.am forgetting
( 注意,理由第一.）
答
b not……until这里引导的从句,用一般现在时表示将来是,跟if引导的条件状语从句一样
c首先动作在进行,用进行时.主句是过去时,从句时间倒退一步也变为过去时.所以是过去进行时
b as有当的意思,可以引导时间状语从句.后面fell asleep表示他睡着了.这是一个状态,不可能用进行时表示的,不可能说他正在睡着了.
a 忘记也是一种状态,你不可能说正在忘记的.用一般现在时表示这种常态.
学英语要自己理解,不能光看语法,我都是自己进行逻辑分析理解的