Coniugazione del verbo inglese
CAN ROUGHEN

Verbo regolare: roughen - roughened - roughened

Affermazione

Forma semplice	Forma con V-ing
I can roughen you can roughen he can roughen we can roughen you can roughen they can roughen	I can be roughening you can be roughening he can be roughening we can be roughening you can be roughening they can be roughening
Perfetto	Perfetto con V-ing
I can have roughened you can have roughened he can have roughened we can have roughened you can have roughened they can have roughened	I can have been roughening you can have been roughening he can have been roughening we can have been roughening you can have been roughening they can have been roughening

Negazione

Forma semplice	Forma con V-ing
I can't roughen you can't roughen he can't roughen we can't roughen you can't roughen they can't roughen	I can't be roughening you can't be roughening he can't be roughening we can't be roughening you can't be roughening they can't be roughening
Perfetto	Perfetto con V-ing
I can't have roughened you can't have roughened he can't have roughened we can't have roughened you can't have roughened they can't have roughened	I can't have been roughening you can't have been roughening he can't have been roughening we can't have been roughening you can't have been roughening they can't have been roughening

Forma interrogativa

Forma semplice	Forma con V-ing
can I roughen? can you roughen? can he roughen? can we roughen? can you roughen? can they roughen?	can I be roughening? can you be roughening? can he be roughening? can we be roughening? can you be roughening? can they be roughening?
Perfetto	Perfetto con V-ing
can I have roughened? can you have roughened? can he have roughened? can we have roughened? can you have roughened? can they have roughened?	can I have been roughening? can you have been roughening? can he have been roughening? can we have been roughening? can you have been roughening? can they have been roughening?

Forma interro-negativa

Forma semplice	Forma con V-ing
can't I roughen? can't you roughen? can't he roughen? can't we roughen? can't you roughen? can't they roughen?	can't I be roughening? can't you be roughening? can't he be roughening? can't we be roughening? can't you be roughening? can't they be roughening?
Perfetto	Perfetto con V-ing
can't I have roughened? can't you have roughened? can't he have roughened? can't we have roughened? can't you have roughened? can't they have roughened?	can't I have been roughening? can't you have been roughening? can't he have been roughening? can't we have been roughening? can't you have been roughening? can't they have been roughening?