I can picket you can picket he can picket we can picket you can picket they can picket
Forma com V-ing
I can be picketing you can be picketing he can be picketing we can be picketing you can be picketing they can be picketing
Perfeito
I can have picketed you can have picketed he can have picketed we can have picketed you can have picketed they can have picketed
Perfeito com V-ing
I can have been picketing you can have been picketing he can have been picketing we can have been picketing you can have been picketing they can have been picketing
Negação
Forma simple
I cannot picket you cannot picket he cannot picket we cannot picket you cannot picket they cannot picket
Forma com V-ing
I cannot be picketing you cannot be picketing he cannot be picketing we cannot be picketing you cannot be picketing they cannot be picketing
Perfeito
I cannot have picketed you cannot have picketed he cannot have picketed we cannot have picketed you cannot have picketed they cannot have picketed
Perfeito com V-ing
I cannot have been picketing you cannot have been picketing he cannot have been picketing we cannot have been picketing you cannot have been picketing they cannot have been picketing
Forma interrogativa
Forma simple
can I picket? can you picket? can he picket? can we picket? can you picket? can they picket?
Forma com V-ing
can I be picketing? can you be picketing? can he be picketing? can we be picketing? can you be picketing? can they be picketing?
Perfeito
can I have picketed? can you have picketed? can he have picketed? can we have picketed? can you have picketed? can they have picketed?
Perfeito com V-ing
can I have been picketing? can you have been picketing? can he have been picketing? can we have been picketing? can you have been picketing? can they have been picketing?
Forma interro-Negação
Forma simple
can I not picket? can you not picket? can he not picket? can we not picket? can you not picket? can they not picket?
Forma com V-ing
can I not be picketing? can you not be picketing? can he not be picketing? can we not be picketing? can you not be picketing? can they not be picketing?
Perfeito
can I not have picketed? can you not have picketed? can he not have picketed? can we not have picketed? can you not have picketed? can they not have picketed?
Perfeito com V-ing
can I not have been picketing? can you not have been picketing? can he not have been picketing? can we not have been picketing? can you not have been picketing? can they not have been picketing?