Просклонять по всем временам: write an e-mail

Present Simple-write/writes an e-mail

Past Simple-wrote

Future Simple-will write

Present Continuous-am,is,are writing

Past Cont-was/were writing

Future Cont-will be writing

Present Perfect-have/has written

Past Perfect-had written

Future Perfect-will have written

Present perfect cont.- have been writing

Past Perfect cont.-had been writing .

Future Perfect cont - will have been writing