Complete the rule and the table
Ex 2: Rule: Use ..................(1) to say 'this is necessary'. Use ............(2) to say 'this isn't necessary'.
Positive: he/she/ it .............(1) help
Negative: he/she/it ...............(2) help
Questions: ............(3) I/you/we/they have to help?
..............(4) he/she/it have to help?
Short answers: Yes, he/she/it ...............(5)
No, he/she/it........................(6)
Ex 3:
1. The bus leaves in 20 minutes. He has to hurry. => A or B?
2. The bus leaves in 20 minutes. He doesn't have to hurry. => A or B?