Решите пожалуйста,а то к/р на данный момент будет

Have they already arrived?

Have you known

Had you been doing

Has .... visited

Has been learning

Have been watching

Had he been studied

Has been smoking

Have you been waiting

Have seen

Had been writting, hasnt finished

Has stopped

Has never travelled

Had been working

Have you been

Have they paid

Had been looking

Have you read

Have been waiting

Had you been taking

Фортуны)