Bài giảng Tiếng Anh Lớp 6 (Global success) - Unit 11: Ourr greener world (Part 3)

Write a or an . Write a / an or the . Write the correct form of each verb in brackets. Combine each pair of sentences below to make a first conditional sentence. Grammar Articles Work in groups, A and B. First conditional Fun matching Grammar Articles There are two kinds of articles in English: the inde finite article (a / an) and the de finite article (the). We use a / an - with singular countable nouns when we are talking about them in general. Example: An ant is a tiny animal. - after the verbs to be and to have . Example: I’m a student. / I have an eraser. Grammar Articles We use the - with singular or plural nouns when we already know them or when they are mentioned for the second time. Example: The bike in front of her house is nice. - with nouns which are unique. Example: The air is dirty. Write a or an . 1. ___ egg 2. 3. ___ sink ___ friend 4. ___ arm 5. 6. ____ onion ____ mouth 7. 8. ____ classmate ____ umbrella an egg a sink a friend an arm an onion a mouth a classmate an umbrella Write a / an or the . 1. My father is 2. 3. _______ dolphin is _______ intelligent animal. 4. I have 5. My brother likes _______ Sun keeps _______ Earth warm. _______ doctor. a doctor. The Sun keeps _______ Earth warm. the Earth warm. A dolphin is _______ intelligent animal. an intelligent animal. _______ orange shirt too. an orange shirt too. _______ blue pen, not _______ red one. the blue pen, not _______ red one. the red one. Grammar Might for future possibility First conditional sentences describe things which are possible and likely to happen in the present or the future. Example: If you use less paper, you will save a lot of trees. If + subject + V (present simple), If-clause subject + will / won’t + V (base form) main clause Write the correct form of each verb in brackets. 1. If it (be) 2. 3. We (save) much paper. 4. More people (have) less water. 5. If the river (not be) If we (recycle) _______ sunny next week, we (go) _______ on a picnic. is sunny next week, we (go) _______ on a picnic. will go on a picnic. _______ more, we (help) _______ the Earth. recycle more, we (help) _______ the Earth. will help the Earth. _______ a lot of trees if we (not waste) _______ so will save a lot of trees if we (not waste) _______ so don’t waste so _______ fresh water if we (use) _______ will have fresh water if we (use) _______ use _______ dirty, there (be) _______ more fish. isn’t / is not dirty, there (be) _______ more fish. will be more fish. Combine each pair of sentences below to make a first conditional sentence. 1. The air isn’t fresh. People cough. 2. The water is dirty. A lot of fish die. 3. We cut down trees in the forest. There are more floods. 4. There is too much noise. People don’t sleep. 5. There is no water. Plants die. If the air isn't fresh, people will cough. If the water is dirty, a lot of fish will die. If we cut down trees in the forest, there will be more floods. If there is too much noise, people will not / won't sleep. If there is no water, plants will die. Fun matching Work in groups, A and B. Group A secretly writes five if -clauses on a sheet of paper. Group B secretly writes five main clauses on another sheet of paper. Match the if -clauses with the main clauses. Do they match? Are there any funny sentences?