初中英语必背的句型虽然不一定严格限定为180个，但确实存在一些核心句型是学生们需要熟练掌握的。以下是一些精选的初中英语必背句型，涵盖了不同的语法结构和功能：
一、基本句型
There+be+主语+地点状语/时间状语
- 示例：There's a boat in the river.（河里有条船。）
What's wrong with+sb./sth.?
- 示例：What's wrong with your watch?（你的手表有什么毛病？）
How do you like...?
- 示例：How do you like China?（你觉得中国怎么样？）
What do you like about...?
- 示例：What do you like about China?（你喜欢中国的什么？）
had better(not)+动词原形
- 示例：You'd better ask that policeman over there.（你最好去问问那边的那个警察。）
二、特殊疑问句与陈述句
How+adj./adv.+主语+谓语! What a/an+adj.+n.+主语+谓语!
- 示例：How cold it is today!（今天多冷啊！）What a fine picture it is!（多美的一幅图画呀！）
...not...until...
- 示例：He didn't have supper until his parents came back.（直到他的父母回来他才吃饭。）
比较级+and+比较级
- 示例：The baby cried harder and harder.（那孩子哭得越来越厉害。）
The+比较级, the+比较级
- 示例：The more one has, the more one wants.（拥有的越多，想要的越多。）
...as+adj./adv.+as... ...not as/so+adj./adv.+as...
- 示例：Do you think that art is as important as music?（你认为艺术和音乐一样重要吗？）Last Sunday the weather was not so wet as it is today.（上个星期天的天气不如今天的天气潮湿。）
三、复合句
定语从句
- 示例：The book which I bought yesterday is very interesting.（我昨天买的那本书很有趣。）
- The reason why he came late was that he didn't catch the early bus.（他迟到的原因是他没有赶上早班车。）
- Most hotels have websites where you can find answers to your questions.（大多数旅馆都有你可以找到你问题答案的网站。）
- 示例：The book which I bought yesterday is very interesting.（我昨天买的那本书很有趣。）
同位语从句
- 示例：The fact that he had failed the exam was a great shock to his parents.（他考试失败的事实让他的父母非常震惊。）
- His failure was due to the fact that he had not practised for a long time.（他的失败是由于他没有练习很长时间。）
- It is a great honor for Beijing that the 2008 Olympic Games will be held in Beijing.（2008年奥运会将在北京举行对北京来说是一个很大的荣誉。）
- 示例：The fact that he had failed the exam was a great shock to his parents.（他考试失败的事实让他的父母非常震惊。）
主语从句
- 示例：That is the reason why I'm not in favour of revising the plan.（这就是我不赞成修正这个计划的原因。）
- How they went to America is what I want to know.（他们如何到的美国是我想知道的事情。）
- That most of languages are now threatened and may disappear is a serious matter to the people.（大多数语言受到威胁可能会消失，这对人们来说是件危急的事情。）
- 示例：That is the reason why I'm not in favour of revising the plan.（这就是我不赞成修正这个计划的原因。）
宾语从句
- 示例：I don't know if (whether) he will come.（我不知道他是否会来。）
- He kept looking at her, wondering whether he had seen her somewhere.（他一直看着她，想知道他是否在某个地方见过她。）
- 示例：I don't know if (whether) he will come.（我不知道他是否会来。）
状语从句
- 示例：Although he thought he was helping us with the work, he was actually in the way.（尽管他认为是在帮我们，实际上是在碍事。）
- Now that you’ve got a chance, you might as well make full use of it.（既然你有机会，不妨好好利用它。）
- ...as soon as...（我一见到他，我就把你的消息告诉他。）
- 示例：Although he thought he was helping us with the work, he was actually in the way.（尽管他认为是在帮我们，实际上是在碍事。）
四、其他常见句型
Thank+sb.+for(doing)sth.
- 示例：Thank you for coming to see me.（感谢你来看我。）
So+be/情态动词/助动词+主语
- 示例：He is a student. So am I.（他是一个学生，我也是。）
both...and...
- 示例：Both you and I are students.（我和你都是学生。）
either...or...
- 示例：Either you or he is wrong.（不是你错就是他错。）
neither...nor...
- 示例：Neither he nor I am a student.（我和他都不是学生。）
...so+adj./adv.+that...
- 示例：I was so tired that I didn't want to speak.（我累得连话也不想说了。）
Though...+主句
- 示例：Though I like writing to my pen-friend, it takes a lot of time.（虽然我喜欢给笔友写信，但它要耗费我大量时间。）
be going to do sth.
- 示例：This afternoon I'm going to buy an English book.（今天下午我要去买本英语书。）
Welcome(back) to...
- 示例：Welcome back to school!（欢迎回到学校！）
have fun doing
- 示例：We're going to have fun learning English this term.（这学期我们将兴味盎然地学习英语。）
...because.../..., so...
- 示例：I don't know all your names because this is our first lesson.（因为这是我们的第一节课，所以我并不知道你们所有人的名字。）
Why don't you...?=Why not...?
- 示例：Why don't you come to school a little earlier?（为什么不早点到校呢？）
make it
- 示例：Let's make it half past nine.（让我们定在九点半吧！）
have nothing to do
- 示例：They have nothing to do every day.（他们每天无所事事。）
stop sb./sth. from doing sth.
- 示例：The Great Green Wall will stop the wind from blowing the earth away.（绿色长城将阻挡风吹走土壤。）
be different from
- 示例：I think this is different from Chinese names.（我认为这与汉语名字不同。）
请注意，以上句型只是初中英语中的一部分，实际学习中可能还需要掌握更多的句型和表达方式。同时，这些句型也需要通过大量的实践和练习才能真正掌握和运用自如。
