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 can't picket you can't picket he can't picket we can't picket you can't picket they can't picket
Forma com V-ing
I can't be picketing you can't be picketing he can't be picketing we can't be picketing you can't be picketing they can't be picketing
Perfeito
I can't have picketed you can't have picketed he can't have picketed we can't have picketed you can't have picketed they can't have picketed
Perfeito com V-ing
I can't have been picketing you can't have been picketing he can't have been picketing we can't have been picketing you can't have been picketing they can't 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't I picket? can't you picket? can't he picket? can't we picket? can't you picket? can't they picket?
Forma com V-ing
can't I be picketing? can't you be picketing? can't he be picketing? can't we be picketing? can't you be picketing? can't they be picketing?
Perfeito
can't I have picketed? can't you have picketed? can't he have picketed? can't we have picketed? can't you have picketed? can't they have picketed?
Perfeito com V-ing
can't I have been picketing? can't you have been picketing? can't he have been picketing? can't we have been picketing? can't you have been picketing? can't they have been picketing?