1 A: I'm going shopping later.
 B: I'll come too. I might/need to buy some
 new trainers.
 2 A: Are you on a diet?
 B: Yes, I really must/don't have to eat
 more fruit.
 3 A: Did you see the weather report?
 B: They say it might/must rain later.
 A: The exercise class starts at seven.
 B: We don't have to/mustn't be late.
 A: You mustn't/don't have to buy tickets.
 Entrance is free.
 B: Really?
 6 A: You don't need to/mustn't enter this
 room. Didn't you see the sign?
 B: No, I'm sorry.
                                                                                                
                            
                            
                            
                                
                            
                            
                                
                            
                            
                            
                         
                    
1 A: I'm going shopping later.
B: I'll come too. I need to buy some new trainers.
2 A: Are you on a diet?
B: Yes, I really must eat more fruit.
3 A: Did you see the weather report?
B: They say it might rain later.
A: The exercise class starts at seven.
B: We mustn't be late.
A: You don't have to buy tickets.
Entrance is free.
B: Really?
6 A: You mustn't enter this room. Didn't you see the sign?
B: No, I'm sorry.
Объяснение: