III. Chia động từ trong ngoặc theo câu điều kiện loại 2. sử dụng would cho mệnh đề chính. (Supply the correct form or tense of the verb in brackets with the conditional sentences type 2. Use would for main clause.) 1. If I _______ (know) his address, I could come to visit him. 2. The Earth wouldn’t be in danger if people _______ (not, act) carelessly. 3. Robert _______ (not, waste) so much water if he _______ (think) more about the planet. 4. If he _______ (speak) clearly, the teacher _______ (understand) him more. 5. He _______ (classify) the trash, if he _______ (think) for the dustmen. 6. If I _______ (be) the president, I _______ (not, allow) to use fertilizers in agriculture. 7. _______ (you, pick up) that bag of garbage if I told you to do it? 8. Sylvie _______ (pass) more laws to protect the environment if she _______ (be) a president. 9. If she _______ (eat) healthier food, she could lose weight. 10. I _______ (not, travel) abroad if I didn’t speak English.