Coniugazione del verbo inglese
CAN FRET

Verbo regolare: fret - fretted - fretted

Affermazione

Forma semplice	Forma con V-ing
I can fret you can fret she can fret we can fret you can fret they can fret	I can be fretting you can be fretting she can be fretting we can be fretting you can be fretting they can be fretting
Perfetto	Perfetto con V-ing
I can have fretted you can have fretted she can have fretted we can have fretted you can have fretted they can have fretted	I can have been fretting you can have been fretting she can have been fretting we can have been fretting you can have been fretting they can have been fretting

Negazione

Forma semplice	Forma con V-ing
I cannot fret you cannot fret she cannot fret we cannot fret you cannot fret they cannot fret	I cannot be fretting you cannot be fretting she cannot be fretting we cannot be fretting you cannot be fretting they cannot be fretting
Perfetto	Perfetto con V-ing
I cannot have fretted you cannot have fretted she cannot have fretted we cannot have fretted you cannot have fretted they cannot have fretted	I cannot have been fretting you cannot have been fretting she cannot have been fretting we cannot have been fretting you cannot have been fretting they cannot have been fretting

Forma interrogativa

Forma semplice	Forma con V-ing
can I fret? can you fret? can she fret? can we fret? can you fret? can they fret?	can I be fretting? can you be fretting? can she be fretting? can we be fretting? can you be fretting? can they be fretting?
Perfetto	Perfetto con V-ing
can I have fretted? can you have fretted? can she have fretted? can we have fretted? can you have fretted? can they have fretted?	can I have been fretting? can you have been fretting? can she have been fretting? can we have been fretting? can you have been fretting? can they have been fretting?

Forma interro-negativa

Forma semplice	Forma con V-ing
can I not fret? can you not fret? can she not fret? can we not fret? can you not fret? can they not fret?	can I not be fretting? can you not be fretting? can she not be fretting? can we not be fretting? can you not be fretting? can they not be fretting?
Perfetto	Perfetto con V-ing
can I not have fretted? can you not have fretted? can she not have fretted? can we not have fretted? can you not have fretted? can they not have fretted?	can I not have been fretting? can you not have been fretting? can she not have been fretting? can we not have been fretting? can you not have been fretting? can they not have been fretting?