Ответы
1 is knocking
2 has been
3 have been writing
4 bakes
5 is still washing
6 have lived
7 have just phoned
8 does
9 has been looking
10 is talking
1 We often skate in winter.
2 My brother is skating now.
3 They have already skated.
4 My sister has been skating since morning.
Ответ: Ex.1
1 is knocking (Pres Contin) 2 has been to (Pres Perf) 3 have been writing ( Pres Perf Contin) 4 bakes (Pres Simple) 5 is still washing (Pres Contin) 6 have been living (Pres Perf Contin) 7 have just phoned (Pres Perf) 8 does (Pres Simple) 9 has been looking (Pres Perf Contin) 10 is taking (Pres Contin)
Ex.2
1 We often skate in winter (Pres Simple) 2 My brother is skating now ((Pres Contin) 3 They have already skated (Pres Perf) 4 My sister has been skating since morning (Pres Perf Contin)
Объяснение: