①There is some room for us to live in. ②I have no pen to write with. ③There is nothing to worry about.
④Would you please give me a chair to sit on. ⑤She has no paper to write on.
⑥I don’t have a partner to practice English with.
（3）序数词和形容词最高级修饰的名词后常用不定式作定语。如： Tom is the first to come to school today.
Memorizing grammar is the best way to learn English well. Hangzhou is a good place to visit.
真有用?固定用法：以下是带to的动词不定式常见搭配
希望做某事hope to do sth. ★决定做某事decide to do sth 同意做某事agree to do sth. ★需要某人做某事need to do sth.
使用某物做某事use sth to do sth ★迫不及待做某事can’t wait to do 准备做某事get/be ready to do ★尽力/努力做某事try to do sth 计划做某事plan to do sth.★希望某人做某事wish sb. to do sth.
轮流做某事take one’s turns to do sth. ★拒绝做某事refuse to do sth. 告诉某人做某事tell sb. to do sth.★请某人做某事ask sb. to do sth. 想要某人做某事want /would like sb. to do sth. ★不得不have to do
同意某人做某事agree sb. to do sth. ★教某人做某事teach sb. to do sth. 喜欢/想要某人做某事 like sb. to do sth.★encourage sb to do鼓励某人做 帮助某人做某事help sb. to do sth/help sb.do
★It’s one’s turn to do sth. 轮到某人做某事 例:It your turn to clean the blackboard.
★It’s time(for sb.) to do sth.是某人做某事时候了 例:It’s time for me to go home.
★It’s +adj. for/of sb. to do sth. 对于某人来说做某事是……
例: It is easy for me to learn it well. It is very kind/foolish/nice of you to do so.
★It takes sb. sometime to do sth. 某人做某事花了某时间
例句: 1.It takes me an hour to get to school by bike. 2.It took me an hour to watch TV last night. 3.It will take her two weeks to finish the work. ★too+adj./adv. to do sth. 太…..而不能 例: He was to angry to say a word. ★find/think/feel it +adj. to do sth.发现/认为/感到做某事是… I find/think/feel it hard to learn English well.
★序数词+to do 第…..个做某事 例句:Who is the first to get there? ★我不知/忘记了怎么办。I didn't know/forgot what to do. ★离开房间时不要忘记/记住关灯
例句:Don’t forget/Remember to turn off the lights when you left the room ★be+adj+to do sth 例句:I am very sorry to hear that. I am ready to help others. I am happy / pleased / glad to meet you. 顺口溜：本领最多不定式，主表定补宾和状；样样成分都能干，只有谓语它不敢；大家千万要小心，有时它把句型改；作主语时用it，自己在后把身藏；七个感官三使役，宾补要把to甩开；疑问词后接上它，宾语从句可充当；逻辑主语不
定式，不定式前加for sb.；to前not是否定，各种用法区别开。 以下是不带to的动词不定式(即动词原形)的常见用法
let sb. do sth让某人做某事 ★ make do sth使得某人做某事 hear do sth do sth听见某人做某事 ★see do sth do sth看见某人做某事 why not/why don’t you +动原？为什么不.?Why not/Why don’t you take a walk? 某人+had better( not)do 某人最好(不)做某事
情态动词can/may /must /should+ 动词原（包括情态动词的否定形式+动词原形）
助动词do/does/did/will/would在构成疑问句或者构成否定句即don’t /doesn’t /didn’t /will not /would not+ 动词原形
1.征求对方意见和提建议的句子 ①Shall we play basketball? ②Let’s play basketball. ③Why don’t we see a film? ④Would you like to watch TV?
⑤Would you please go to the movies? ⑥You’d better listen to me carefully.
⑦What / how about reading aloud to practice pronunciation