《Language in use》Accidents PPT课件

《Language in use》Accidents PPT课件

Past progressive

Basic concept: Past continuous tense indicates an action that was performed or occurred at a certain moment or period in the past.

basic structure

Subject + was/were + doing + other content

Note: doing is the present participle, and its word form changes the same as the present continuous tense.

Commonly used time adverbials:

this morning, the whole morning,

all day yesterday, from nine to ten last

evening, when, while , at that time,

just now

Common sentence patterns

Affirmative:

Subject + was/were + doing + others

Negative Sentences:

Subject + was/were + not + doing + other

General questions:

Was/Were + subject + doing + other

Special questions:

Special question word + was/were + subject + doing + other

usage:

1. The basic usage of the past continuous tense is mainly to express an action that was in progress at a certain time in the past. For example:

He fell asleep when he was reading.

He fell asleep while reading.

2. The past continuous tense is used to express the present moment mainly to make the tone euphemistic and polite. For example:

I was wondering if you could give me a lift.

I wonder if you could give me a ride

【Note】The past tense has a similar usage, but the past continuous tense is more polite and less sure. Could you give me a ride?

3. The past continuous tense is similar to the present continuous tense in expressing emotions. It can also express emotions such as satisfaction, praise, surprise, disgust, etc. It is also often used with adverbs such as always, forever, continually, etc. For example:

They were always quarrelling.

They quarrel all the time.

The difference between simple past tense and past continuous tense

1. Past tense often indicates that an action has been completed, while past continuous tense indicates that the action is continuing or unfinished.

Compare:

She wrote a letter to her friend last night.

She wrote a letter to her friend last night. (The letter is finished)

She was writing a letter to her friend last night. (The letter may not be finished)

2. The simple past tense indicates an action that is done only once, while the past continuous tense indicates an action that is done repeatedly.

like:

She waved to me.

She waved at me.

She was waving to me.

She kept waving at me.

Classic example

1) Mary ___ a dress when she cut her finger.

A. made B. is making

C. was making D. makes

Answer C. Cutting the finger is something that has already happened, so the past tense should be used. At the same time, when indicates the simultaneity of time, and "when Mary was making clothes" provides the background of what happened, so the past continuous tense should be used.

2) As she ___ the newspaper, Granny ___ asleep.

A. read; was falling

B. was reading; fell

C. was reading; was falling

D. read; fell

Answer B. In the sentence, as = when, while means "when...". When describing the background of an event, use the past continuous;

When a long action occurs, another short action occurs. The sentence means "Grandma fell asleep while she was reading the newspaper." In the sentence, fell (the past tense of fall) is a linking verb, followed by an adjective.

Such as: fall sick.

Language practice

While the lights were changing to red, a car suddenly appeared round the corner.

When Henry was trying to find the snake, his hand began to hurt badly.

I was trying to pick it up when it bit me again.

1 Complete the sentences with when or while.

1 He was listening to music ______ he was riding his bike.

2 I was waiting at the lights ______ I saw the boy fall off his bike.

3 I was walking in the street______I saw the accident happen.

4 The driver was talking on his mobile phone_____ he was driving.

Check (√) the true sentences.

1. A car almost hit Jack last week.

2. Jack was talking on his mobile phone when the car hit him.

3. Jack fell down a hole on his way to the park.

4. A friend took Jack to hospital.

5. Jack did not break his arm.

6. The writer wants Jack to be more careful.

Now choose the correct answer

1 What is the best word to describe Jack in the past?

a) Careful b)Caring c) careless

2 How many accidents did Jack have in the passage?

a) One b) Two c) Three

3 How careful is Jack now?

a) He is always careful.

b) He is careful sometimes.

c) He is still careless.

choose:

1.I am looking after the children.

A. I am looking after the baby.

B. I'm look aftering the baby.

C. I look am aftering the baby.

D. I looking after the baby.

2. What are you doing?

A. What is you doing?

B. What are you do?

C. What are you doing?

D. What do you do?

3. The reporter said that the UFO _____ east to west when he saw it.

A. was traveling B. traveled

C. had been traveling D. was to travel

4.Jack is _____ with Jim. They are good____.

A. running; friend; B. running; friends;

C. runing; friends D. run; friend’s

Homework

Try to master all the words and expressions in this unit.

Find more information about how to act in accidents.

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