I could yelp you could yelp he could yelp we could yelp you could yelp they could yelp
Forma con V-ing
I could be yelping you could be yelping he could be yelping we could be yelping you could be yelping they could be yelping
Perfetto
I could have yelped you could have yelped he could have yelped we could have yelped you could have yelped they could have yelped
Perfetto con V-ing
I could have been yelping you could have been yelping he could have been yelping we could have been yelping you could have been yelping they could have been yelping
Negazione
Forma semplice
I couldn't yelp you couldn't yelp he couldn't yelp we couldn't yelp you couldn't yelp they couldn't yelp
Forma con V-ing
I couldn't be yelping you couldn't be yelping he couldn't be yelping we couldn't be yelping you couldn't be yelping they couldn't be yelping
Perfetto
I couldn't have yelped you couldn't have yelped he couldn't have yelped we couldn't have yelped you couldn't have yelped they couldn't have yelped
Perfetto con V-ing
I couldn't have been yelping you couldn't have been yelping he couldn't have been yelping we couldn't have been yelping you couldn't have been yelping they couldn't have been yelping
Forma interrogativa
Forma semplice
could I yelp? could you yelp? could he yelp? could we yelp? could you yelp? could they yelp?
Forma con V-ing
could I be yelping? could you be yelping? could he be yelping? could we be yelping? could you be yelping? could they be yelping?
Perfetto
could I have yelped? could you have yelped? could he have yelped? could we have yelped? could you have yelped? could they have yelped?
Perfetto con V-ing
could I have been yelping? could you have been yelping? could he have been yelping? could we have been yelping? could you have been yelping? could they have been yelping?
Forma interro-negativa
Forma semplice
couldn't I yelp? couldn't you yelp? couldn't he yelp? couldn't we yelp? couldn't you yelp? couldn't they yelp?
Forma con V-ing
couldn't I be yelping? couldn't you be yelping? couldn't he be yelping? couldn't we be yelping? couldn't you be yelping? couldn't they be yelping?
Perfetto
couldn't I have yelped? couldn't you have yelped? couldn't he have yelped? couldn't we have yelped? couldn't you have yelped? couldn't they have yelped?
Perfetto con V-ing
couldn't I have been yelping? couldn't you have been yelping? couldn't he have been yelping? couldn't we have been yelping? couldn't you have been yelping? couldn't they have been yelping?