| Czas | Zdania oznajmujące | Zdania pytające | Zdania przeczące |
|---|---|---|---|
| Present Continuous | I am writing a book now. He is writing a book now. | Am I writing a book now? Is he writing a book now? | I am not writing a book now. He isn't writing a book now. |
| Present Simple | I write books. He writes books. | Do I write books? Does he write books? | I don't write books. He doesn't write books. |
| Present Perfect | I have written a book. He has written a book. | Have I written a book? Has he written a book? | I haven't written a book. He hasn't written a book. |
| Present Perfect Continuous | I have been writing a book. He has been writing a book. | Have I been writing a book? Has he been writing a book? | I haven't been writing a book. He hasn't been writing a book. |