خرید و دانلود پاورپوینت سفر به دنیا

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خرید و دانلود پاورپوینت سفر به دنیا

سفر به دنیا

Traveling the world

Lesson 4

1. Read the following texts.

Modal Verbs

(افعال مدال)

 Form:    can/ may/ must/ should +  فعل

1.The translator can speak four languages.

2.The tourists may stay in Iran for two more days.

3.You must drive carefully.

4.Everyone should respect other people’s culture.

این افعال 3 ویژگی دارند:

.1در هر حالتی شکل خودشان را حفظ می کنند (نمی توان به آخرشان

  اضافه کرد.)

.1بعد از آنها فعل به صورت ساده به کار می رود.

.2با وجود آنها هنگام سؤالی و منفی کردن جملات، دیگر نیازی به افعال کمکی دیگر نخواهیم داشت.

Can:

1. It shows that something is possible or allowed, or that somebody has the ability to do something.

• We can‘t see the lake from the window./ It can get very hot this evening.
• Can I go to the cinema?
• I can’t swim well.

2. It is also used to ask people to do something, asking for things or asking to do things, (request).

• Can you wait a moment, please?
• Can I have these postcards, please? (in a gift shop)
• Hello, can I speak to Tom, please? (on the phone)

3. Offering to do things.

• “Can I get you a cup of tea?” “Yes, It would be very nice.”

may:

1. It shows that something is a possibility/ or It shows possible action or happening in the future.

• Where is Mina? She may be in her office.
• Take an umbrella with you. It may rain today.
• She may not come to the party.

2. It is used to request/ grant permission.

• May I use your pen? “Yes, you may.”
• May I leave the class? “sure.”

3. Polite suggestion.

• “May I help you?” “Yes, of course.”

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خرید و دانلود پاورپوینت سفر به دنیا

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