1. YouTube explanation of should/could/would (3:54)

2. Mr. Bean video quiz, 29 questions, 10:29 plus pauses

3. Could/Would video (5:42)

4. Another would/should video (3:42)

5. YouTube Mark's must/have to explanation 3:18

6. YouTube Diane's must/have to explanation 2:21

7. Quiz 1

8. Should/could thorough explanations, not good quiz

9. Mixed modals quiz 10 questions

10. Mixed modals quiz 14 questions

11. Mixed modals 10 questions

12. Mixed modals quiz 10 questions

Can/Could

1. YouTube explanation of can/could 6:23

2. Another YouTube explanation 6:48

3. Explanation of can/could with charts

4. 10 multiple choice questions

5. 10 more MC questions

6. 16 MC Qs

7. Another 8 MC questions

8. 10 more MC questions

9. 14 Grammar Bank MC

10. 10 MC choose the correct sentence

11. Auto English Can, could, be able to

12. Identify the funtion of can, could

13. EC Enlgish 10 multiple-choice

14. Three part quiz

15. 25 Agenda Web can/could quizzes!

16. Lesson plan for can/could

17. Lesson plan with printable materials

18. Grammar: Differences between Can and Could - ESLBuzz Learning English

1. YouTube about has to/have to 2:22

2. 10 Fill-in questions (have to vs. has to)

3. Another "has to vs. have to with explantion

4. John's error-free "has to/have to" Quizlet

5. 20 Multiple choice questions (has/have)

6. Have/has 18 multiple choice questions (some present perfect and "have got)

7. Must/have to written explanation

8. Have to/must 10 multiple choice questions

9. Have/must 10 question fill-in quiz

10. 10 question multiple-choice quiz (should/have/must)

11. Must/have to multiple-choice timed quiz

12. 15 fill-in must/have to questions

1. Should quiz #2 (worksheet, 16 Qs)

Four Rong-Chang advanced "should" quizzes, ten questions each

1. Quiz 1

2. Quiz 2

3. Quiz 3

4. Quiz 4

Fairly long, six question video quiz with should/shouldn't (5:24)

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