 vinitskay74 
                                                20.03.2019 15:50
                                                
                                                vinitskay74 
                                                20.03.2019 15:50
                                             atas2 
                                                20.03.2019 15:50
                                                
                                                atas2 
                                                20.03.2019 15:50
                                             vkonareva 
                                                20.03.2019 15:50
                                                
                                                vkonareva 
                                                20.03.2019 15:50
                                             valeriy3fors 
                                                20.03.2019 15:40
                                                
                                                valeriy3fors 
                                                20.03.2019 15:40
                                             Соня8912 
                                                20.03.2019 15:40
                                                
                                                Соня8912 
                                                20.03.2019 15:40
                                             Karina902 
                                                20.03.2019 15:40
                                                
                                                Karina902 
                                                20.03.2019 15:40
                                            
1. Has she had an accident? A
2. Have you done your homework? A
3. Has the postman been yet? b
4. I've played tennis 3 times already this week and it's only Thursday! b
Объяснение:
1. Has she had an accident? - a) Past events with a connection to the present
2. Have you done your homework? - a) Past events with a connection to the present
3. Has the postman been yet? - a) Past events with a connection to the present
4. I've played tennis 3 times already this week and it's only Thursday! - b) With words of unfinished time