[高考必背英语句型]unless引导的从句

    　句型14

　　unless…“除非，如果不……”(=if…not)

　　[例句]

　　I shall go tomorrow unless it rains. 如果不下雨，我明天去。

　　–Shall Tom go and play football?

　　–Not unless he has finished his homework. 除非他完成作业，否则不能出去。

　　I won’t go unless he comes to invite me himself.

　　除非他本人来邀请我，不然我是不会去的。

　　I won’t attend his birthday party unless invited (=unless I am invited). 除非被邀请，否则我不

　　去参加的生日晚会。