内容正文:
Unit 4 Don’t eat in class.
一、词法知识清单
Section A
1. Don’t arrive late for class. You must be on time. 上课不要迟到。你必须准时。(P. 19)
动词短语arrive late for意为“迟到”,侧重到达的时间晚;同义短语be late for侧重于状态。
例如:arrive late for class/school. = be late for class/school. 上课/上学迟到
2. Don’t listen to music in class. 上课不要听音乐。(P. 19)
介词短语on time意为“准时”,按规定时间或指定时间做某事,不早不晚。
【拓展】in time意为“及时”,不迟到或在规定时间之前或接近所规定时间做某事,没有迟到,时间还充裕。
例如:He always go to school on time.
I hope we get there in time.
3. Don’t fight. 不要打架 (P. 19)
fight作动词或名词,意为“打架、打仗”,其过去式为不规则fought。
动词fight后跟不同的介词,所表达意思不一样。
(1) fight for意为“为…而斗争”,后面常接抽象名词,表示为事业、自由等而斗争 目的。
Eg: They are fighting for freedom.
(2) fight against意为“为反对…而战斗”,后接事物名词、人和国家名词。
Eg: They fought against the violence(暴力)
(3) fight with 意为“和…打架,同…(并肩)战斗,对抗”,后只接表示人或国家的名词。
Eg: Don’t fight with him.
(4) fight about 意为“为...争吵”,强调吵架的原因
Eg: There is no meaning to fight about this.
4. Can we bring music players to school? 我们可以把音乐播放器带到学校吗?(P. 20)
bring作动词,意为“带来”,强调把东西从别处带到说话地。
【拓展】take意为“带走,拿走”,强调把东西从说话地带到别的地方。
例如:Let’s bring these books to the school.
Can you help me to take the books to the classroom?
5. And we always have to wear the school uniform. 而且我们总是要穿校服。(P. 20)
have to侧重于客观上的必要,必须,意为“不得不做某事”,后跟动词原形,其有人称和数的变化,主语为第三人称单数时用“has to”。
句型结构:肯定句—sb +have/has to+动词原形。
否定句—sb +don’t/doesn’t have to+动词原形。
一般疑问句—Does/Do +sb. +have to+动词原形?
肯定回答—Yes, …do/does.
否定回答—No, …don’t/doesn’t.
特殊疑问句—特殊疑问词+do/does +sb. +have to +动词原形?
例如:He has to work on Sunday.
He doesn’t have to work on Sunday.
Does he have to work on Sunday?
Yes, he does. /No, he doesn’t.
What day does he have to work?
例题:We have to leave Beijing now.
否定句:
一般疑问句:
肯定回答:
否定回答:
特殊疑问句:
Section B
1. Dave has to practice the guitar. 大卫不得不练习吉他。(P. 22)
practice 名词/动词,意为“练习”。
①作名词时,常做不可数名词。
Eg: Let’s do some practice.
Eg: Pract