Unit: science and technologyTopic: energy resource

Matthayomsuksa 5

VOCABULARY

renewable (adj.)

energy (n.)

fuel (n.)

fossil (n.)

energy (n.)

STRUCTURE

Passive voice The passive voice is less usual than the active voice. The active voice is the "normal" voice. But sometimes we need the passive voice. In this lesson we look at how to construct the passive voice, when to use it and how to conjugate it.

The structure of the passive voice:

subject + auxiliary verb (be) + main verb (past participle)

Conjugation for the Passive Voice

We can form the passive in any tense. In fact, conjugation of verbs in the passive tense is rather easy, as the main verb is always in past participle form and the auxiliary verb is always be. To form the required tense, we conjugate the auxiliary verb.

for example:

present simple : It is madepresent continuous : It is being madepresent perfect : It has been made

Conjugation for the Passive Voice

We can form the passive in any tense. In fact, conjugation of verbs in the passive tense is rather easy, as the main verb is always in past participle form and the auxiliary verb is always be. To form the required tense, we conjugate the auxiliary verb. So,

for example:

present simple : It is madepresent continuous : It is being madepresent perfect : It has been made

Example

I cut down the trees.The trees are cut down by me.

Sara is washing the car.The car is being washed by Sara.

He has read a book for 3 hours.A book has been read by him for 3 hours.

TEXT

ACTIVITY

Activity1Direction

1. Make a group of 3 people.2. Each group receives a word box and a paper from a teacher.3. Make sentences by using adverb.4. The group that has more sentences receives a prize from a teacher.

Activity2Direction

1. Make a group of 3 people.2. Each group receives a paper and from a teacher.3. Each group chooses the sign from power point and each sign has a different picture.4. The teacher gives a topic “What will happen in the future?”5. Write your idea on a paper.6. Come in front of class to present.

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