I can welter you can welter she can welter we can welter you can welter they can welter
Forma com V-ing
I can be weltering you can be weltering she can be weltering we can be weltering you can be weltering they can be weltering
Perfeito
I can have weltered you can have weltered she can have weltered we can have weltered you can have weltered they can have weltered
Perfeito com V-ing
I can have been weltering you can have been weltering she can have been weltering we can have been weltering you can have been weltering they can have been weltering
Negação
Forma simple
I cannot welter you cannot welter she cannot welter we cannot welter you cannot welter they cannot welter
Forma com V-ing
I cannot be weltering you cannot be weltering she cannot be weltering we cannot be weltering you cannot be weltering they cannot be weltering
Perfeito
I cannot have weltered you cannot have weltered she cannot have weltered we cannot have weltered you cannot have weltered they cannot have weltered
Perfeito com V-ing
I cannot have been weltering you cannot have been weltering she cannot have been weltering we cannot have been weltering you cannot have been weltering they cannot have been weltering
Forma interrogativa
Forma simple
can I welter? can you welter? can she welter? can we welter? can you welter? can they welter?
Forma com V-ing
can I be weltering? can you be weltering? can she be weltering? can we be weltering? can you be weltering? can they be weltering?
Perfeito
can I have weltered? can you have weltered? can she have weltered? can we have weltered? can you have weltered? can they have weltered?
Perfeito com V-ing
can I have been weltering? can you have been weltering? can she have been weltering? can we have been weltering? can you have been weltering? can they have been weltering?
Forma interro-Negação
Forma simple
can I not welter? can you not welter? can she not welter? can we not welter? can you not welter? can they not welter?
Forma com V-ing
can I not be weltering? can you not be weltering? can she not be weltering? can we not be weltering? can you not be weltering? can they not be weltering?
Perfeito
can I not have weltered? can you not have weltered? can she not have weltered? can we not have weltered? can you not have weltered? can they not have weltered?
Perfeito com V-ing
can I not have been weltering? can you not have been weltering? can she not have been weltering? can we not have been weltering? can you not have been weltering? can they not have been weltering?