Affording strategic proximity to the Strait of Gibraltar, Morocco was also of interest to the French throughout the first half of the twentieth century because they assumed that if they did not hold it, their grip on Algeria was always insecure.
语法 Sentence Correction-331
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正确的用户笔记
angelahyan27 2016-03-21 18:09:27
虚拟语气的用法，此中可以看到从句用了if they did(!) 是一种将来的虚拟语气，所以主句应该用would could 等
SC430 2015-08-22 14:16:23
If等的条件句或表示虚拟的 主句，谓语不能是be动词或者过去式。 Be动词表示自始至终的事实，过去式也体现的是事实。
Sissi0527 2016-05-30 06:03:32
assume要用虚拟语气
勋达令 2017-01-07 13:56:32
was应该是would be
yhhzj110 2016-09-03 23:14:52
条件状语从句if x happened, then y would happen.
yhhzj110 2016-09-03 23:14:51
条件状语从句if x happened, then y would happen.
Justiceng2 2016-08-12 15:33:11
'was' should be 'would' - conditional.
Justiceng2 2016-08-12 15:33:10
'was' should be 'would' - conditional.
yuanqr 2016-07-18 11:03:55
if past, 主句用would
gjf1995315 2016-05-31 20:00:59
划线外用的assumed，就证明划线内的语义应该是没有实际发生的，应该用虚拟语气，这几个选项里用虚拟语气比较正常的只有B,j即would do
sujingyi5 2016-05-16 09:28:42
if...did,...would Wordy
lixiaoye1002 2016-05-12 18:37:50
主将从现 ，主句应该用would be
