八年级下英语知识点

lesson1

1.What's the weather like today?

这句是用来询问天气的一个常用句子，还可以说成：How is the weather?

2.It will be snowy and hot today.

snowy是形容词，意思是有雪的，雪大的。它是由名词snow+y构成，类似的词还有：cloudy;rainy;sunny;windy;icy;foggy;thirsty;dirdy;healthy;

3.What's the temperature?问温度是多少时，不用how many\much，要用what

4.I hope not.它的肯定形式为I hope so.

类似的表达法有：I'm afraid so.\I'm afraid not. I think so\I don't think so.

5.I'm scared of thunder.

be scared of sb.\sth.害怕某人或某物。这里scared 是过去分词，作形容词。如：I'm scared of wild animals.

scare还可以作动词。如：You scared me.

lesson2

1.What's the date today?It's March twenty-first.

What's the date?是用来询问日期的一个常用句子，也可以说成：What is today's date?

如果询问星期要用What day is today?\What day is it today?

2.In spring,the weather becomes warmer.

become是系动词，与get一样，常接形容词作表语；与get不同的是它还可以接名词作表语，表示身份的变化。应为：成为。如：The days are becoming\getting longer in summer. He became

a lawyer in 1998.

3.The temperature goes up! go up意思是上升，与rise同义，与go down或set相反。如：the sun goes up\rises in the east and goes down\sets in the west.

4.Thunder makes a loud noise.make a noise意思是发出声响，吵闹。如：The baby is sleeping.Don't make a noise.You shouldn't make a noise in class.

lesson3

1.Spring has arrived in Shijiazhuang.arrive是不及物动词，意思是到达。arrive in+大地点（国家、地区、城市）arrive at+小地点（学校、商店、车站、邮局等类似地点），地点为副词时in\at要省去。如：He arrived in Paris.The train arrived at the station.They arrived home early. reach表示到达时，是及物动词，直接与到达的地点(n)连用。如：He reached Paris.The train reached the station.

get to表示到达时，后跟副词表示的地点时to要省去，如：He gets there on time.

2.Every morning I see many people in the park exercising.see sb. doing sth.表示看见某人在做某事，如：Can you see them playing football over there?

see sb. do sth.表示看见某人做过某事，如：I often see him play football on the playground.

这样的词还有：hear;watch;notice等。

3.The sun will set in about fifteen minutes.

in是介词，表示在...以后，用于将来时，后面跟表示一段时间的名词。此时，不能用after 替换in.如：He will be back in two days.They will finish the work in ten months.

4.We won't see any flowers until May.

not...until...意思是直到...才...。until可以作介词或连词。如：They didn't leave until they finished the work.He won't go to bed until 11 o'clock.

5.Next month,maybe we will play in our shorts and T－shirts!

in表示穿着，它可以跟表示衣服或衣服颜色的名词，意思是穿着...颜色的衣服。如：The girl

in the hat is my sister.They are playing in new clothes.Our teacher is in a red dress today.All of them are in black.

lesson4

1.Weather is warming,... 这里warm是动词，意思是变暖，它也可用作形容词，如：It's warm in spring.It's getting warmer day by day.

2.one by one 一个接一个地如You can plant the seeds one by one .类似的词语还有：year by year;day by day.

3.See it bring the season's change.see sb.\sth. do sth.看到某人或某事物做过某事，change这里是名词，它也可以做动词，如：He changed his clothes.

lesson5

1.Let's go cycling.go cycling =go to ride a bike去骑车。如：He often goes cycling on Sunday. let's do sth.表示让某人做某事let's not do sth.让某人不要做某事，如：Let's have a rest. Let's not go there.

2.How about baseball,then?how\what about+n\pron\doing sth.如：I like spring.How about you? What about a cup of coffee?How about opening the window?

3.The ball always hits me on the head.hit sb. on the+身体部位，表示打在某人的某个部位，如：He hit me on the head.He was so angry that he hit mary in the face.

4.Shall we play soccer?Shall we\I...?表示征求对方意见，可以...吗；...好吗。如：Shall we go swimming?Shall I sit here?

lesson6

1.Danny is babysitting his cousin Debie at the playground.babysitting是双写t+ing而来的，这样的词还有：swimming;running;beginning;getting;putting等；at the playground也可以说成in\on the playground.

2.Hold on,Debbie!hold on可以表示稍等，别挂断；抓紧，如：Hold on a minute.He held on to the rope.

3.Danny will push you.push这里是动词，意思是推，它也可以用作名词.push sb.=give sb. a push.

4.It's time to stop swinging,debbie.stop doing sth.停止做某事；stop to do sth.停下来做某事；如：They stopped to smoke a cigarette.I must stop smoking.When he saw his teacher on the street,he stopped to talk to her.All the students stopped talking when the teacher came in.

5.Debbed gets off the swing.get off...意思是从...下来，通常指下火车、巴士、轮船、飞机等，反义词组是get on...如：Don't get off the bus until it stops.They will get off the train in Beijing.上、下小汽车或电梯常用get into\out of...

lesson7

1.I thought about it all day at school.

think about 意思是思考，考虑，想起，想到...;如:I am thinking about my friend in the country. don't think about it anymore.

2.I thought that it would be easy to babysit there.

it在此代替后面的不等式to babysit there,作形式主语,如:It is interesting to climb the hill.It is hard to answer the question.

3.I was scared that she would hurt herself,but...

herself是反身代词,意思是她自己.当主语和宾语[指同一个人时,宾语应用反身代词.如:She can look after herself.My mother taught herself English.

反身代词还可以作同位语,起加强语气的作用.如:She can do it herself.=She herself can do it