"Unit Grammar Focus" Save Our World! PPT

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"Unit Grammar Focus" Save Our World! PPT

Part One: Textbook Documents

1. It was World Environment Day. That day was World Environment Day.

2. It means “garbage” in American English.

In American English, it means "garbage."

3. Let's do it now. Let's do it now.

4. I think it's our duty to protect the environment.

I think it is our duty to protect the environment.

5. It is a waste to use paper only on one side. It is a waste to use paper only on one side.

Unit Grammar Focus PPT, Part 2: Grammar Exploration

1. Basic usage

(1) Used as a ________ pronoun to replace the things mentioned before. For example:

This is a new dictionary. I bought it yesterday.

This is a new dictionary. I bought it yesterday.

(2) Replaces the pronoun ________, equivalent to this or that. For example:

—What's that? what is that?

—It's an MP3. It's an MP3.

(3) Indicates the identity of someone (who, someone, someone, etc.), and can also refer to a person of unknown gender or a baby (baby), etc. For example:

Someone is coming upstairs. It must be the postman.

Someone came upstairs. It must be the postman.

—Go and see who is knocking at the door. Go and see who is knocking at the door.

—It's Bill. It's Bill.

(4) Refers to ________, distance, natural phenomena (weather, climate, light and shade), measurement, value, etc. For example: It's Sunday today. Today is Sunday.

It's three months since he came here.

How far is it to the Great Wall? How far is it to the Great Wall?

It's getting dark. It's getting dark.

2. syntactic function of it

At this time, it has no meaning, but just helps to change the sentence structure, make the sentence appear more balanced or emphasize a certain sentence component.

(1) Used as ________ subject.

When it is the formal subject, it is placed at the beginning of the sentence, and the verb infinitive (phrase), gerund (phrase) or subject clause that is the real subject is placed at the end. For example:

It is necessary to ask the teacher for help. It is necessary to ask the teacher for help.

It hasn't been decided whether to hold a meeting this week.

It has not yet been decided whether a meeting will be held this week.

Commonly used in the following sentence patterns:

①It is +adj.+(for sb.) to do sth. It means "(for someone) to do something...". For example:

It's important for us to protect the environment.

②It's time to do/for/that… means "it's time for...". For example:

It's time to get up/for supper/that we go to school. It's time to get up/for supper/that we go to school.

③It's one's turn to do sth. It means "it's someone's turn to do something". For example:

It's your turn to answer the question.

It's your turn to answer the question.

Unit Grammar Focus PPT, Part 3: Practical Exercises

Ⅰ. Fill in the blanks

()1. 2017·Anhui—Is this iPad yours?

—Yes. My parents bought ________ for my language learning.

A. oneB. it

C. other D. another

()2.2017·Lanzhou Do you think ________ acceptable for a group of women to dance to loud music on the square near your house?

A. it B. that

C. this D. its

()3. 2017·Chengdu adapted Mike lost his school ID card this morning.

He is looking for ________ now.

A. it B. him

C. them D. that

[Analysis] Examine the usage of pronouns. Meaning of the sentence: Mike lost his student ID card this morning. He's looking for it now. It refers to the singular card of the countable noun that appears in the previous sentence, so the pronoun it is used. The pronoun it refers to an object; him refers to a male person. Therefore choose A.

()4.—________ nearly took us an hour to walk here.

—Have a drink, then. You ________ be thirsty.

A. This; may B. It; may

C. This; must D. It; must

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Update Time: 2024-07-06

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