Grammar: Suggestions, Go + -ing, Have to/Had to & Must/Mustn't
English Grade 8 (Super Goal 2) · Unit 9: Let's Go Out · Lesson 9-2 · Term 2
Also known as: Suggestions · Have to · Must · Mustn't
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Lesson idea
Make, accept and refuse suggestions with should, Why don't…? and Let's; use go + -ing for activities; express obligation with have to/had to and must, prohibition with mustn't and no obligation with don't have to.
Key points
- Suggestions: What should we do tonight? / Why don't you put on a sweater? / Why doesn't she take a rest? / Let's go out for dinner.
- Accept: OK / That's a good idea / Sure / That sounds good. Refuse politely: Sorry, I can't / Thanks, but maybe another time / Let's… instead.
- go + verb-ing: go cycling, go hiking, go skiing, go swimming.
- must + base verb (same for all subjects); mustn't = not allowed; have/has to (past had to); don't have to = not necessary.
Vocabulary
Lesson questions (15)
- A: "I'm cold." B: "Why don't you ____ on a sweater?"
Answer: put - A: "She's tired." B: "Why ____ she take a rest?"
Answer: doesn't - "____ go out for dinner." – "Yeah. Good idea."
Answer: Let's - "Why don't we order a pizza?" – "No. Let's eat out ____."
Answer: instead - Which is a polite way to refuse a suggestion?
Answer: Thanks, but maybe another time. - He goes ____ three times a week.
Answer: swimming - "Let's go to the mall." – "I can't. I ____ do my homework."
Answer: have to - "Why didn't you do your homework?" – "I ____ visit a relative in hospital."
Answer: had to - She ____ do her chores every day.
Answer: has to - We ____ follow the rules. (necessary)
Answer: must - You ____ talk during the test. It's not allowed.
Answer: mustn't - You ____ iron the socks. It isn't necessary.
Answer: don't have to - He ____ work yesterday. It was a holiday.
Answer: didn't have to - "____ he have to go now?"
Answer: Does - They mustn't ____ on the sidewalk.
Answer: park
More lessons in Unit 9: Let's Go Out
Questions about this lesson
How do we make a suggestion?
Why don't you + verb: Why don't you put on a sweater?
What is the difference between have to and must?
Both express obligation; must comes from the speaker, and have to is because of a rule. The past of have to is had to.
What is the difference between must and mustn't?
must shows a necessary duty, as in You must be on time, and mustn't shows something forbidden, as in You mustn't run in the hall.
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No. The teacher shares the lesson link; the student types a first name and plays on a phone or computer, and the score reaches the teacher.
Which games suit this lesson?
You can play it in The Hunter, Complete the sentence, Match Up, Matching pairs and the other games and activities on Hessa Play.