unit 3(cont) period 18: Language focus 1.Vocabulary -(to) empty : -(to) tidy : -(to) sweep: -(to) dust : -(to) fail : -(a) fish tank : -garbage (n): đổ,làm trống rỗng sắp xếp cho ngăn nắp quét phủi bụi trượt,hỏng bể cá rác (to) empty (to) tidy (to) sweep (to) dust (to) fail (a) fish tank garbage (n) Unit 3(cont) period 18: Language focus *Must: Ph¶i (diÔn t¶ sù b¾t buéc, xuÊt ph¸t tõ t×nh c¶m, mong muèn cña b¶n th©n ng­êi nãi) *Have to: Ph¶i(cã tÝnh chÊt b¾t buéc nh­ ng do ngo¹i c¶nh ®em ®Õn, ko ph¶i tù ng­êi nãi mong muèn) * Ought to = should : nªn (Khuyªn ai nªn lµm g×) Unit 3(cont) period 18: Language focus S + must/have to/has to+ Vinf + Musn’t: ®iÒu cÊm ( kh«ng ®­îc lµm g×) + Don’t /doesn’t have to ( kh«ng ph¶i lµm g×) Unit 3(cont) period 18: Language focus Answer Ex1P34 1. must/have to tidy 2. have to/must dust 3. must/have to sweep 4. must/have to clean 5. have to/must empty 6. must/have to feed Unit 3(cont) period 18: Language focus Answer Ex 2P35 b. You ought to get up earlier. c. You ought to eat more fruit and vegetable.You oughtn t to ’ eat a lot of meat. d. You ought to go to the dentist s’ Unit 3(cont) period 18: Language focus Answer Ex 4 P36 b. Why did Nam have to cook dinner? Because his mother was home late. c.Why did Mrs Vui come home late? Because she had to come to see grandmother. d. Why did Ha fail her English exam? Because she played video games, she didn t learn ’ for her exam e. Why didn t Nga go to the movies?’ Because she had to do her chores. Unit 3(cont) period 18: Language focus Exercise 1: Complete the sentence with “Must” or “Have to” a. Vietnamese children wear uniform when they go to school. b.This is a terrible party.We .go home. c. If there are no taxis we’ll walk. d.You really hurry up,Vicky.We don’t want to be late. have to have to must must Unit 3(cont) period 18: Language focus Exercise 2:Fill in the blank with Mustn t or don t/doesn t have to“ ’ ” ” ’ ’ ” a.Cars . park in front of the entrance. b.They work on Saturday. c.Visitors .feed the animals. d.You .touch that switch.It s very ’ dangerous. musn’t don’t have to musn’t musn’t Unit 3(cont) Period 18: Language focus Exercise 3: Give advice with ought “ to/oughtn t to’ a.I feel sick (go to the doctor) b.Minh looks very tired (go to bed late) You ought to go to see the doctor He oughtn’t to go to bed late Unit 3(cont) Period 18: Language focus [...]...Unit 3(cont) Period 18: Language focus Exercise 4:Make “ Why”questions for the following sentences: a.I had to go to the police station last week Why did you have to go to the police station last week? b.Children musn’t see that film Why musn’t children see that film? Unit 3(cont) Period 18: Language focus Remember * Model Verbs: + Must + have to . Unit 3(cont) period 18: Language focus Answer Ex1P34 1. must/have to tidy 2. have to/must dust 3. must/have to sweep 4. must/have to clean 5. have to/must. to feed Unit 3(cont) period 18: Language focus Answer Ex 2P35 b. You ought to get up earlier. c. You ought to eat more fruit and vegetable.You oughtn t