I can trip you can trip he can trip we can trip you can trip they can trip
Forma com V-ing
I can be tripping you can be tripping he can be tripping we can be tripping you can be tripping they can be tripping
Perfeito
I can have tripped you can have tripped he can have tripped we can have tripped you can have tripped they can have tripped
Perfeito com V-ing
I can have been tripping you can have been tripping he can have been tripping we can have been tripping you can have been tripping they can have been tripping
Negação
Forma simple
I can't trip you can't trip he can't trip we can't trip you can't trip they can't trip
Forma com V-ing
I can't be tripping you can't be tripping he can't be tripping we can't be tripping you can't be tripping they can't be tripping
Perfeito
I can't have tripped you can't have tripped he can't have tripped we can't have tripped you can't have tripped they can't have tripped
Perfeito com V-ing
I can't have been tripping you can't have been tripping he can't have been tripping we can't have been tripping you can't have been tripping they can't have been tripping
Forma interrogativa
Forma simple
can I trip? can you trip? can he trip? can we trip? can you trip? can they trip?
Forma com V-ing
can I be tripping? can you be tripping? can he be tripping? can we be tripping? can you be tripping? can they be tripping?
Perfeito
can I have tripped? can you have tripped? can he have tripped? can we have tripped? can you have tripped? can they have tripped?
Perfeito com V-ing
can I have been tripping? can you have been tripping? can he have been tripping? can we have been tripping? can you have been tripping? can they have been tripping?
Forma interro-Negação
Forma simple
can't I trip? can't you trip? can't he trip? can't we trip? can't you trip? can't they trip?
Forma com V-ing
can't I be tripping? can't you be tripping? can't he be tripping? can't we be tripping? can't you be tripping? can't they be tripping?
Perfeito
can't I have tripped? can't you have tripped? can't he have tripped? can't we have tripped? can't you have tripped? can't they have tripped?
Perfeito com V-ing
can't I have been tripping? can't you have been tripping? can't he have been tripping? can't we have been tripping? can't you have been tripping? can't they have been tripping?