becomebeginbringcatchdodrinkdriveeatfallfeel

写出下列动词的过去式和过去分词

became becomebegan begunbrought broughtcaught caughtdid donedrank drunkdrove driven ate eatenfell fallenfelt felt

8B Unit One

Past and present

in the past at present =now

a trainthe first train in China In 1881

What’s in this old photo?

coach (1958)

bus (1935)

Taxi (1913)1971

underground

train (1881)

plane (1958)

Transport at different times(时代 ).

coach bus taxi

underground train plane

Transport at different times(时代 ).

Can you put them in the order(顺序 ) of time?

• How did Millie’s father go to school when he was a student?

A. By bike. B. By bus. C. By taxi.

• Why didn’t he take a bus? A. Because there were not any bus at that time. B. Because he was afraid of taking the bus. C. Because it was always crowded on the bus

and he had to spend a long time waiting for the next one.

Listen and answer

• How did Millie’s father go to school when he was a student?

A. By bike. B. By bus. C. By taxi.

• Why didn’t he take a bus? A. Because there were not any bus at that time. B. Because he was afraid of taking the bus. C. Because it was always crowded on the bus

and he had to spend a long time waiting for the next one.

Listen and answer

Because there were always too many people on the bus, and it took a long time to wait for the next one.

He used to go to school by bike.

Read and recite( 背诵 )How did you go to school when you were a student, Dad?I used to go to school by bike.Why didn’t you take a bus?well, there were always too many people on the bus ,and it took a long time to wait for the next one. Really? I go to school by bus. Now it’s easy and fast.

Millie:

Millie:

Millie:

Dad:

Dad:

Sandy: How did you go to _____ when you were a child?Grandpa: I used to go to _____ by _____.Sandy: Why didn’t you take a _____?Grandpa: well, __________.Sandy: Really? I go to_____ by _____. Now it’s easy and fast.

MakMakee a a new new dialogue:dialogue:

Things have changed a lot over the years.

And Eddie and Hobo have changed too.

What happened?

1. Was the food in the bowl an hour ago?2. Is it still there now? Who has eaten it?3. Did Eddie share his food with Hobo?4. Is he willing to share his food with Hobo now?

Watch and answer

Watch and answer

Hobo’s food _____ in the _______ an hour ago.

But it isn’t there now. Why? Eddie has just

_______ it because he was ________.

Eddie has ________ because he _______ to share the food with him but now he has eaten all the food, so Hobo has _______ to eat now.

Hobo has changed too. He was kind in the _______, but now he is quarrelling( 吵架 ) with Eddie. You see, he is so _______!

was bowl

eaten hungry

changed used

angry

Retell( 复述 ) the story.

nothing

past

初步认识现在完成时

• 现在完成时构成： have /has + V（ p.p.）• 记住下列动词的过去分词：• see—

• eat—

• change—

seen

eaten

changed

不规则动词 (见不规则动词表）

规则动词（过去分词同过去式）

Discuss：现在完成时强调过去发生的动作对现在造成的影响 , 解释下面的句

子• Have you seen my food?

Did you see my food just now? And now do you know where my food is?

• I’ve just eaten it.

I ate it not long ago. It’s in my stomach now. • Who has mopped the floor?

Someone mopped the floor in the past. Look, the floor is so clean.

当堂巩固1.Make sentences using ‘just’ Sample: He, eat lunch He has just eaten lunch.1. She, see, the film2. Eddie, change a lot3. I, read, the story4 . Millie, finish her homework5. We, learn, history of transport