句型21：be going to
　　This afternoon I'm going to buy an English book．今天下午我要去买本英语书。

句型22：be different from
　　I think this is different from Chinese names．我认为这与汉语名字不同。

句型23：Welcome（back）to．．．
　　Welcome to Shenyang！欢迎到沈阳来！
　　Welcome back to school！欢迎回到学校！

句型24：have fun doing
　　We're going to have fun learning and speaking English this term．这学期我们将兴味盎然地学习和讲英语。

句型25：．．．because．．．／．．．，so．．．
　　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。
　　He was ill，so she didn't go to school．她生病了，因此没有上学。

句型26：Why don't you．．．？／Why not．．．？
　　Why don't you come to school a little earlier？为什么不早点到校呢？
　　Why not join us？为什么不加入我们？

句型27：make it
　　Let's make it half past nine．让我们定在九点半吧！

句型28：have nothing to do
　　They have nothing to do every day．他们每天无所事事。

句型29：be sure／be sure of／about sth．／be sure to do sb．
　　I think so，but I'm not sure．我想是这样，但不敢确定。
　　I was not sure of／about the way，so I asked someone．我对于怎么走没有把握，所以我问别人了。
　　It's sure to rain．必定会下雨。

句型30：between．．．and．．．
　　There is a shop between the hospital and the school．在那家医院和那所学校之间有一家商店。

句型31：keep sb．／sth．＋adj．／V-ing／介词补语／adv．
　　You must keep your classroom clean．你们必须保持教室干净。
　　Sorry to have kept you waiting．对不起，让你久等。
　　Can you keep him in the room ？你能让他在这个房里吗？
　　Keep them here．让他们在这儿呆着。

句型32：find ＋宾语＋宾补
　　He finds it very hard to travel around the big city ．他发现要环游这个大城市是很难的。

句型33：．．．not．．．anymore／longer
　　The old man doesn't travel any more．这位老人不再旅行了。
　　He isn't a thief any longer．他不再是个贼。

句型34：What's the weather like．．．？
　　What's the weather like in spring in your hometown ？在你们家乡春天天气怎么样？

句型35：There is no time to do／have no time to do
　　There was no time to think．没有时间思考。
　　I have no time to go home for lunch．我没有时间回家吃午饭。

句型36：Help oneself to．．．
　　Help yourself to some fish．吃鱼吧！

句型37：used to do
　　I used to read this kind of story books．我过去常读这种故事书。

句型38：borrow ．．．from
　　I borrowed a book from him．我从他那借了一本书。

句型39：lend sb．sth．／lend sth．to sb．
　　He lent me a story book／He lent a story book to me．他借了本故事书给我。

句型40：have been to
　　Have you ever been to Haw aii？你曾去过夏威夷吗？