如果有必要，用适当的冠词填空。

　　类似的短语还有if any，if not，if so，if needed等等。

　　I don't know what kind of mistake will be found in your homework.If any，tell me.我不知道你的作业中会出现什么样的错误，如果有的话，就告诉我。

　　You should study hard.If so( ＝If you study hard), you can pass the exam.

　　你应该好好学习，如果这样，你就能通过考试。

　　完成句子

　　①The computer has been almost destroyed by new viruses, and we'll call experts in， (如果有必要的话)．

　　②I think I can fix it tomorrow. (如果不能的话), you'll have to wait till Friday.

　　③There are few， (即使有), mistakes in the book.

　　【答案】　①if necessary　②If not　③if any

　　4．would rather do sth.宁愿做某事

　　Which of the festivals you have read or heard about in this module would you rather go to? (教材P36)在本单元里你所读到或听到的节目里，你最想参加哪一个节目？

　　I would rather do some reading at home than go shopping with them.

　　与其和他们去购物，我倒宁愿留在家里读点书。

　　Which would you rather do, go to cinema or stay at home? 你是去看电影还是待在家里？

　　would rather用法小结：

　　would rather( not)＋动词原形 宁愿(不)......

　　would rather＋动词原形＋than＋动词原形

　　宁愿做......也不愿做......

　　would rather that­clause (当从句中所表示的是现在或将来的动作状态时，从句用一般过去时；当从句中表示的是过去的动作或状态时，从句要用过去完成时。)

　　He would rather die than surrender.他宁死不屈。

　　I would rather you went right now.我宁愿你马上就去。

　　I would rather you had been there yesterday.

　　我宁愿你昨天去那儿。

　　翻译句子

　　①我宁愿不对他讲实情。

　　②叫我做什么事都可以，就是不要叫我打扫房子。

【答案】　①I would rather not tell him the truth.