七下英语第3单元grammar focus翻译
Grammar focus in the seventh grade English textbook, Unit 3:
第七年级英语教材第3单元的语法重点：
1. Present Simple Tense:
一般现在时：
- It is used to talk about routines and habits.
用来谈论惯常的行为和习惯。

- It is formed by using the base form of the verb for all persons. 第三人称单数要加-s。

- Example sentences:
例句：
- They always go to the park on weekends.
他们周末总是去公园。

- He plays basketball every day.
他每天打篮球。

2. Present Continuous Tense:
现在进行时：
- It is used to talk about actions happening at the moment or future plans.
用来谈论正在发生的动作或未来计划。

- It is formed by using the present participle form of the verb (verb + -ing).
使用动词现在分词形式（动词+ing）。

- Example sentences:
例句：
- I am currently studying for my exams.
我正在备考。

- She is going to the store later.
她待会儿要去商店。

3. Adverbs of frequency:
频度副词：
- They are used to express how often something happens.
用来表示某事发生的频率。

- They can be placed before the main verb.
可以放在主要动词前。

- Example sentences:
例句：
- I usually go for a run in the morning.
我通常早上跑步。

- He never eats broccoli.
他从不吃西兰花。

4. Question words:
疑问词：
- They are used to ask questions.
用来提问。

- Example words:
例句：
- Who is your best friend?
你最好的朋友是谁？
- What is your favorite color?
你最喜欢的颜色是什么？
以上是七下英语第3单元的语法重点。