全国大众英语测验语法——通俗现在期间替过往时
时候状语从句，前提句中，从句用通俗现在期间替将来时
When, while, before, after, till, once, as soon as, so long as, by the time, if, in case (that), unless, even if, whether, the moment, the minute, the day, the year, immediately
He is going to visit her aunt the day he arrives in Beijing.他一到北京，就往看他姨妈。
典范例题
(1）He said he________me a present unless I_______ in doing the experiment.
A. had not given; had not succeededB. would not give; succeed
C. will not give; succeed D. would not give; will succeed.
谜底B.在时候，前提或让步主语从句中通俗不用将来时。本题有He said，故为过往式。主句用将来时，故选B.此处用普经由历程往式替代了过往将来时。
(2)默示现在已安排好的将来事变，行程等活动。
The museum opens at ten tomorrow.博物馆本日10点开门。(理想上每天如斯。)

关键字：英语四级测验语法 英语三级测验语法 测验虫语法 大众英语测验 大众英语品级测验