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Revising the Present Simple Tense. 1- Remember that we use this tense to describe facts and regular. It is used a lot in science. In science, it is often used in the passive. The passive is used when the action is important, not the people. PASSIVE This is used by scientists. ACTIVE
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1- Remember that we use this tense to describe facts and regular. It is used a lot in science. In science, it is often used in the passive. The passive is used when the action is important, not the people. PASSIVE This is used by scientists ACTIVE Scientists use this tense for facts
2- In questions, negatives and shortanswers ,we use helping verbs. ACTIVE DO scientists use this tense for facts? Yes ,they do. PASSIVE Is this used by scientists? Yes , it is
3- Sometimes we think the answer to our question will be Yes . Sometimes we think it will be No. We make these questions by adding helping verbs to the of our sentence. PASSIVE Light is reflected by planets isn't it? Yes, it is Light isn't raidated by planets is it? No , it isn't ACTIVE Planets reflect light , bont they? Yes ,they do . A planet doesn’t radiate light, boes it ? No, it doesn't
A. In the following sentences , the dark words (e.g. a planet) are singular. Rewrite the sentences making the dark words plural ( g. a planets) . Change the verb if necessary. 1-A planet reflects light . 2-A star radiates light . 3- A satellite does not orbit a star. 4-There is a planet in the Solar System . 5-Does a planet orbit a star ?
B. Write the following sentences again . Put the verbs into the correct form . 1- I (be) at school . 2- I (be) interested in stars . 3- Our sun (be) a star . 4- Galaxies (be) large groups of stars 5- We (be) not able to see other galaxies.
C. Make the following sentences negative. 1- A planet is a star. 2- A planet radiates light. 3- Stars reflect light. 4- Venus has a moon. 5- There is a planet between Earth and Mars.
D. Make these sentences passive. 1- Planets reflect light. 2- Satellites orbit planets. 3-Stars do not reflect light. 4-Scientists study the universe. 5- Do stars radiate light.
E. Make these sentences into questions . Expect the answer in brackets. 1- Stars reflect light. (No) 2- Stars radiate light .(Yes) 3- Planets radiate light .(No) 4- There is only one star in the Solar System. (Yes) 5- There are people on Venus. (No)
ارجوا الدعاء لي ولي والدي ولمعلمتي ولمن شجعني على عمل الدروس الباوربنت وجميع المسلمين مع تحيات مصممة العروض ** YuuShahed