初中2年级英语,if用法

1.if 如果，连接条件状语从句 一条规则：主句用一般将来时；从句用一般现在时。She will tell you the truth if she comes back tomorrow.2.if=whether是否，连接名词从句（主语从句、表语从句、宾语从句）I wonder if (或whether)he will come tomorrow.

rain”。if it ---,we'll go to the great wall.意思是：“如果明天不下雨，我们将去长城”，if 引导条件状语从句，表示：“如果”，在表示将来的条件状语从句中，谓语动词用一般现在时态，所以用“doesn't rain ”。因此综合2个空格考虑，应该选择b.祝您进步。

1、if 译为"如果"，引导条件状语从句（用一般现在时表将来），主句用将来时：If it rains tomorrow, I will not go there.2、if 译为“是否”，引导宾语从句（根据实际情况选用时态）I don't know if it will rain tomorrow, if it rains, I won't go there.

If从句的谓语形式用一般过去式或用were to / should +动词原形,主句用would / should /could/ might +动词原形,例如:Jean doesn't want to work right away because she thinks that if she were to get a job she probably wouldn't be able to see her friends very often.(1996年1月四级第44题) ⒊...

1：当从句中紧跟or not时,例如：We didn't know whether or not she was at home.2：当构成不定式to do结构时,例如：She doesn't decide whether to tell her husband the truth.3：在介词之后,例如：It all depends on whether the weather is fine.4：discuss后面只能用whether,例如：They ...

1、I will go to the park.It will not rain tomorrow.I will go to the park，if it doesn't rain tomorrow.2. He won’t help others. He will never get others’ help.If he doesn't help others， he will never get others’ help.3. I will pass the exams. I’ll go to ...

2、hold v.拿;举 3、hold the line (不挂断电话)等一下 4、right now 现在 5、if cinj. 是否;如果 6、whether conj.是否 7、whether ...or not 是否 8、personal adj.个人的;私人的 9、classmate n.同班同学 10、in fact 事实上 11、public adj.公共的;公众的 12、a couple of 几个;两个 13...

Computer is useful for students. They can look for information on the Internet. They can watch TV on it. They can play games on it.If students can use it right, I think it is good for them. If they can't use it right, I think it is bad.Don't spend much time on ...

get into 1. 进入某种状态，陷入某种境地 He got into trouble with the police while he was still at school.他还在上学时，就惹事生非与警方纠缠了。2. 使进入某种状态，使陷入某种境地 Try not to get your father into a temper tonight.今晚别惹你爸爸发脾气。get out of 1. 从……中...