Coniugazione del verbo inglese
CAN ROUGHEN

Verbo regolare: roughen - roughened - roughened

Affermazione

Forma semplice	Forma con V-ing
I can roughen you can roughen she can roughen we can roughen you can roughen they can roughen	I can be roughening you can be roughening she 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 she 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 she 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 cannot roughen you cannot roughen she cannot roughen we cannot roughen you cannot roughen they cannot roughen	I cannot be roughening you cannot be roughening she cannot be roughening we cannot be roughening you cannot be roughening they cannot be roughening
Perfetto	Perfetto con V-ing
I cannot have roughened you cannot have roughened she cannot have roughened we cannot have roughened you cannot have roughened they cannot have roughened	I cannot have been roughening you cannot have been roughening she cannot have been roughening we cannot have been roughening you cannot have been roughening they cannot have been roughening

Forma interrogativa

Forma semplice	Forma con V-ing
can I roughen? can you roughen? can she roughen? can we roughen? can you roughen? can they roughen?	can I be roughening? can you be roughening? can she 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 she 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 she 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 I not roughen? can you not roughen? can she not roughen? can we not roughen? can you not roughen? can they not roughen?	can I not be roughening? can you not be roughening? can she not be roughening? can we not be roughening? can you not be roughening? can they not be roughening?
Perfetto	Perfetto con V-ing
can I not have roughened? can you not have roughened? can she not have roughened? can we not have roughened? can you not have roughened? can they not have roughened?	can I not have been roughening? can you not have been roughening? can she not have been roughening? can we not have been roughening? can you not have been roughening? can they not have been roughening?