Unit 2 No rules, no order 单元语法讲义(无答案)

资源下载
  1. 二一教育资源

Unit 2 No rules, no order 单元语法讲义(无答案)

资源简介

Unit 2 No rules, no order单元语法
一、祈使句
祈使句是用来表示请求、命令、建议、叮嘱等语气的句子,通常省略主语you。
1. 肯定祈使句结构
- 动词原形开头:表示直接的命令、要求或建议。例如:
- Open the door.(打开门。)
- Listen to me carefully.(认真听我讲。)
- Let型:Let + 宾语 + 动词原形。Let's是Let us的缩写形式,用于提出建议,包括说话者和听话者双方;Let him/her/them...则针对第三方。例如:
- Let's go to school.(我们去上学吧。)
- Let him clean the classroom.(让他打扫教室。)
2. 否定祈使句结构
- Don't + 动词原形:表示禁止、不允许做某事。例如:
- Don't run in the hallways.(不要在走廊里跑。)
- Don't be late for class.(上课不要迟到。)
- Let型否定:Let's not + 动词原形;Don't let + 宾语 + 动词原形。例如:
- Let's not play computer games.(我们别玩电脑游戏了。)
- Don't let the dog into the room.(别让狗进房间。)
学以致用
1. 选词填空:(Don't, Let's, Open, Let)
- _________ clean the blackboard first.
- _________ play football in the street. It's dangerous.
- _________ the window. It's too hot in the room.
- _________ her help you with your homework.
2. 单项选择
- _________ talk in the library.
A. Not B. Don't C. No D. Doesn't
- Let's _________ basketball after school.
A. play B. to play C. playing D. plays
- _________ late for the meeting.
A. Be not B. Not be C. Don't be D. Don't
二、情态动词can的用法
can是情态动词,意为“能;会;可以”,没有人称和数的变化,后面接动词原形。
1. 表示能力
用于描述某人具备做某事的技能或能力。例如:
- I can speak English.(我会说英语。)
- She can play the piano very well.(她钢琴弹得很好。)
2. 表示请求许可
通常用于向对方请求允许做某事,语气较为委婉。在口语中,它的肯定回答常用“Yes, you can.”;否定回答常用“No, you can't.” 例如:
- Can I use your pen (我可以用你的钢笔吗?)
- Yes, you can.(是的,你可以。)
- No, you can't.(不,你不可以。)
3. 构成否定句和疑问句
- 否定句:在can后加not,可缩写为can't。例如:
- He can't swim.(他不会游泳。)
- 疑问句:将can提到主语前面。例如:
- Can you sing (你会唱歌吗?)
学以致用
1. 选词填空:(can, can't, Can)
- _________ you dance
- I _________ play chess, but I can play cards.
- She _________ ride a bike. She always walks to school.
2. 单项选择
- —_________ you play the guitar —Yes, I can.
A. Do B. Are C. Can D. Is
- My brother _________ play basketball, but he can play football.
A. can B. can't C. doesn't D. isn't
- —Can I have some water —_________.
A. Yes, I can B. No, you don't C. Yes, you can D. No, I can't
三、一般现在时(行为动词)
一般现在时表示经常发生的动作或存在的状态,当句子的谓语动词是行为动词时,要借助助动词do/does来构成否定句和疑问句。
1. 肯定句结构
- 主语(非第三人称单数) + 动词原形 + 其他:例如:
- I often go to school by bike.(我经常骑自行车去上学。)
- They play games after class.(他们课后玩游戏。)
- 主语(第三人称单数) + 动词第三人称单数形式 + 其他:动词第三人称单数形式的变化规则与名词变复数的规则类似。例如:
- He usually gets up at 6:30.(他通常六点半起床。)
- She likes reading books.(她喜欢看书。)
2. 否定句结构
- 主语(非第三人称单数) + don't + 动词原形 + 其他:例如:
- I don't like vegetables.(我不喜欢蔬菜。)
- They don't play football on Sundays.(他们星期天不踢足球。)
- 主语(第三人称单数) + doesn't + 动词原形 + 其他:例如:
- He doesn't watch TV in the evening.(他晚上不看电视。)
- She doesn't go to school by bus.(她不坐公交车去上学。)
3. 疑问句结构
- Do + 主语(非第三人称单数) + 动词原形 + 其他:肯定回答用“Yes, 主语 + do.”;否定回答用“No, 主语 + don't.”。例如:
- Do you like music (你喜欢音乐吗?)
- Yes, I do.(是的,我喜欢。)
- No, I don't.(不,我不喜欢。)
- Does + 主语(第三人称单数) + 动词原形 + 其他:肯定回答用“Yes, 主语 + does.”;否定回答用“No, 主语 + doesn't.”。例如:
- Does she go to school early (她上学早吗?)
- Yes, she does.(是的,她早。)
- No, she doesn't.(不,她不早。)
学以致用
1. 选词填空:(do, does, don't, doesn't, like, likes)
- _________ he often play basketball
- I _________ like math. It's too difficult.
- She _________ reading stories.
- They _________ go to the park on weekends.
2. 单项选择
- —_________ your sister have a pet —Yes, she _________.
A. Do; do B. Does; does C. Do; does D. Does; do
- My father _________ go to work by car. He walks.
A. don't B. doesn't C. isn't D. aren't
- —_________ you play sports after school —Yes, I _________.
A. Are; am B. Do; do C. Does; does D. Do; am

展开更多......

收起↑

资源预览