1. l have to go home now. It's very late.
2. 'Do you have to study French?' 'No, we don't'
3 You don't have to shout. I can hear you.
4. 'Does Anna have to get up early?' 'Yes, she does'
5. Mike has to walk to school.
6. Marianne doesn't have to study ICT.
7. 'Do you have to do a lot of homework at the weekend?' 'No, I don't'
8. Sarah and Peter have to come home before midnight. [Обратите внимание, ибо многие путаются - 'Sarah and Peter' - они (they), поэтому 'have to']
ГРАММАТИКАУТВЕРДИТЕЛЬНОЕ ПРЕДЛОЖЕНИЕI, you, we, they/He, she, it + 
/
Ставим базовую форму глагола, или данную форму с окончанием -es/-es (если 3-е л. ед. ч.)
ОТРИЦАТЕЛЬНОЕ ПРЕДЛОЖЕНИЕI, you, we, they/He, she, it + don't/doesn't +
Ставим вс глагол don't/doesn't (doesn't - если 3-е л. ед. ч.) и базовую форму глагола.
ВОПРОСИТЕЛЬНОЕ ПРЕДЛОЖЕНИЕDo/Does + I, you, we, they/He, she, it + ?
Вс глагол do/does (does - если 3-е л. ед. ч.) на начало предложение, дальше - субъект (подлежащее) и базовую форму глагола.
2)I study six days a week.-So do I
3)I like swimming.-So do I
4)I've been to Africa many times.-So have I
5)I had lunch very late today.-So did I
6)I can play the violin.-So can I
7)I will go abroad for Christmas.-So will I
8)We've bought a cat!-So have I
9)I have three dogs.-So do I
10)John gets up very early.-So do I
11)I like this weather.-So does Jane
12)My cat loves Whiskas.-So does mine
13)My mother cooked a chicken.-So did my sister
14)I have read this book.-So have we
15)I have seen crocodiles many times.-So has Steve
16)I can speak Spanish.-So can they
17)I have a car.-So does Alice
18)I like this show.-So does my brother
19)I have some money.-So do we
20)I had a lot of work yeaterday.-So did Sam