I can descend you can descend she can descend we can descend you can descend they can descend
Forma com V-ing
I can be descending you can be descending she can be descending we can be descending you can be descending they can be descending
Perfeito
I can have descended you can have descended she can have descended we can have descended you can have descended they can have descended
Perfeito com V-ing
I can have been descending you can have been descending she can have been descending we can have been descending you can have been descending they can have been descending
Negação
Forma simple
I can't descend you can't descend she can't descend we can't descend you can't descend they can't descend
Forma com V-ing
I can't be descending you can't be descending she can't be descending we can't be descending you can't be descending they can't be descending
Perfeito
I can't have descended you can't have descended she can't have descended we can't have descended you can't have descended they can't have descended
Perfeito com V-ing
I can't have been descending you can't have been descending she can't have been descending we can't have been descending you can't have been descending they can't have been descending
Forma interrogativa
Forma simple
can I descend? can you descend? can she descend? can we descend? can you descend? can they descend?
Forma com V-ing
can I be descending? can you be descending? can she be descending? can we be descending? can you be descending? can they be descending?
Perfeito
can I have descended? can you have descended? can she have descended? can we have descended? can you have descended? can they have descended?
Perfeito com V-ing
can I have been descending? can you have been descending? can she have been descending? can we have been descending? can you have been descending? can they have been descending?
Forma interro-Negação
Forma simple
can't I descend? can't you descend? can't she descend? can't we descend? can't you descend? can't they descend?
Forma com V-ing
can't I be descending? can't you be descending? can't she be descending? can't we be descending? can't you be descending? can't they be descending?
Perfeito
can't I have descended? can't you have descended? can't she have descended? can't we have descended? can't you have descended? can't they have descended?
Perfeito com V-ing
can't I have been descending? can't you have been descending? can't she have been descending? can't we have been descending? can't you have been descending? can't they have been descending?