Question

Trebuie de transformat propozitiile urmatoare la negativ si interogativ
We have finished the project.
We've been learning for two years.
She's been watching tv for two hours.
They'we brought an umbrella.
I've been writing an umbrella.

Answer 1

We have finished the project -> We haven't finished the project.
                                          -> Have we finished the project?
We've been learning for two years. -> We haven't been learning for two years.
                                                   -> Have we been learning for two years?
She's been watching tv for two hours. -> She hasn't been watching tv for two hours.
                                                        ->Has she been watching tv for two hours?
They've brought an umbrella. -> They haven't brought an umbrella.
                                           -> Have they brought an umbrella?
I've been writing an umbrella.( cee?) -> I haven't been writing.
                                                     -> Have I been writing?