Unit3.LF

should must ought to can have to may modals I. Modal verbs: S + Modal verb + V.(inf) + O. a. must: Phải: mang tính chất chủ quan. b. have/has to: c. Ought to = should: Nên: lời khuyên. Phải: mang tính chất khách quan. Examples: • You must do your homework at home. • We have to wear uniform at school. • You should not/ ought not play video games. Match each verb with suitable picture. feed empty tidy sweep dust clean a) b) c) d) e) f) • Nga: Can you come to the movies, Lan? • Lan: No. I my chores.……………… • Nga: What do you have to do? • Lan: I(1) . my bedroom. Then I (2) . …………… …………… • the living-room and I (3) the kitchen floor, ………………… too. • Nga: That won’t take long. What else? • Lan: I(4) . the fish tank …………………… and then I(5) the garbage …………………… Finally, I(6) the dog.…………………… • Nga: Ok. Let’s start. Then we can go out. have to / must do have to tidy have to sweep have to dust have to clean have to empty have to feed LF1. Complete the dialogue with “must or have to” 4. Practice. a . Language focus 1: Complete the dialogues. b. Language focus 2: Use Ought to to give advice to these people You ought to study harder. LF2. Use ought to or should to give advice: Use “ought to / should” to give advice for these people. You ought to get up earlier. You ought to eat more fruit and vegetables You ought to go to the dentist. • I • You • We • They • He • She • It • Yourself/ Yourselves • Themselves • Herself • Himself • Itself • Ourselves • Myself II. Reflexive pronouns: Pronouns Reflexive pronouns Complete these dialogues ourselves myself yourself himself herself themselves yourselves . • I • You • We • They • He • She • It • Yourself/ Yourselves • Themselves • Herself • Himself • Itself • Ourselves • Myself II. Reflexive pronouns: Pronouns Reflexive pronouns Complete these dialogues ourselves myself yourself himself herself themselves yourselves . Language focus 2: Use Ought to to give advice to these people You ought to study harder. LF2 . Use ought to or should to give advice: Use “ought to / should” to give advice for these people. You. to / must do have to tidy have to sweep have to dust have to clean have to empty have to feed LF1 . Complete the dialogue with “must or have to” 4. Practice. a . Language focus 1: Complete