I.Vocab: • faucet (n): vòi nước • (to) minimize: giảm thiểu • air -conditioner (n):máy điêù hoà nhiệt độ • electric fan (n): cái quạt điện II.Making suggestions: • Đề nghị : • I suggest + V-ing • I think you should (not) +V-inf • Shall we + V-inf? • Why don’t we +V-inf? • Let’s + V-inf. • How about/ What about + V-ing? * Đồng ý: • Ok. • That’s a good idea • All right. *Không đồng ý: -No, I don’t want to -I prefer to V 2 -inf -Let’s + V 2 -inf III.Practice: 1.Making suggestions base on the pictures • a.I think we should turn off the faucet to save water • b.Why don’t we minimize gas fire to save energy? • c. Shall we turn off the electric fan to save electricity/energy? • d.Why don’t we turn off the air- conditioner to save energy/electricity? • e.I suggest turning off the TV and the lights to save energy/electricity • f. I think we should not waste water when bathing • g.Let’s go to school by bikes instead of motorbikes to save energy • h.How about going to school by public buses instead of bikes or motorbikes? 2. Making a saving energy plan: • take a shower instead of a bath • make poster on energy saving and hang them around the school • go to school by bikes or walk • turn off the lights and the fans when we don’t need • use hydroelectric or solar energy to light • use energy-saving bulbs instead of ordinary bulbs • ………………………………………………. IV.Exercise:Viết lại các câu sau dùng động từ Suggest: • 1.Peter: “Shall we have dinner with Mr Nam?” • =>Peter suggests that we should have dinner with Mr Nam • => Peter suggests having dinner with Mr Nam • 2.Hoa: “Why don’t we go for a walk?” • 3.Nam: “What about going to the cinema?” • 4.Na: “Shall we visit Hue citadel?” • 5.Mai:“ Let’s buy some flour and make bread” • 6.Huy: “How about going fishing?”