Unit4 A good read- Grammar-知识点清单2025-2026学年译林版八年级英语下册

Unit 4 A good read

⭐Grammar知识点清单

本节课两大核心考点

1. 疑问词 + to do 不定式结构（what/who/when/where/how/which + to-infinitive）
2. must & have to 表必须；mustn’t /don’t have to 表禁止、不必

一、考点 A：疑问词 + to-infinitive（疑问词 + 动词不定式）

1. 核心本质

疑问词 + to do 整体相当于一个名词短语，可放在 动词、动词 + 宾语、形容词 后面作宾语。

可用疑问词：what, who/whom, when, where, how, which, how many, how much

注意：why 不能加 to do，无 why to do 结构

2. 四类固定句式结构（课本 abcd 四类）

a) 形容词 + 疑问词 + to do

形容词：sure /certain/clear 等

例句：

I am not certain what to write.

Gulliver was not sure who to ask for help.

b) 动词 + 宾语 + 疑问词 + to do

动词：show /tell/teach /advise （后接人作宾语）

例句：

Millie showed us what to write in a review.

Mr Wu advised us which book to choose.

c) 动词 + 疑问词 + to do

动词：decide /forget/wonder /know/say /learn

例句：

Millie has decided what to read.

Simon forgot when to return books.

d) 动词 + 疑问词 + 名词 + to do

疑问词后接名词：which book /how many pages

例句：

They are discussing which book to read next.

You can decide how many books to take.

3. 课本填空分类标准答案

1. c 动词直接加疑问词 to do：decided what to read; forgot when to return…
2. d 疑问词 + 名词 + to do：which book; how many books
3. a 形容词后接：not sure; not certain
4. b 动词 + 人宾语 + 疑问词 to do：advised us which; showed us what; taught himself how; tell your classmates where

4. Work out the rule 填空答案

1. adjective
2. object（宾语，人）
3. noun

5. 配套习题答案

A1

1. which
2. how many
3. what
4. how
5. when

A2

1. what to read
2. when to hand in
3. how to create
4. who to ask
5. where to meet

6. 同义句转换（写作高分技巧）

疑问词 + to do = 宾语从句（主语一致）

I don’t know where I should go.

= I don’t know where to go.

She hasn’t decided which she will choose.

= She hasn’t decided which to choose.

7. 易错提醒

1. who/whom to talk to：介词 to 不能丢

I don’t know who to talk to.（√） I don’t know who to talk.（×）

2. how to do 后必须加宾语；what to do 不加

I don’t know how to do it.