I can join you can join he can join we can join you can join they can join
Forma com V-ing
I can be joining you can be joining he can be joining we can be joining you can be joining they can be joining
Perfeito
I can have joined you can have joined he can have joined we can have joined you can have joined they can have joined
Perfeito com V-ing
I can have been joining you can have been joining he can have been joining we can have been joining you can have been joining they can have been joining
Negação
Forma simple
I can't join you can't join he can't join we can't join you can't join they can't join
Forma com V-ing
I can't be joining you can't be joining he can't be joining we can't be joining you can't be joining they can't be joining
Perfeito
I can't have joined you can't have joined he can't have joined we can't have joined you can't have joined they can't have joined
Perfeito com V-ing
I can't have been joining you can't have been joining he can't have been joining we can't have been joining you can't have been joining they can't have been joining
Forma interrogativa
Forma simple
can I join? can you join? can he join? can we join? can you join? can they join?
Forma com V-ing
can I be joining? can you be joining? can he be joining? can we be joining? can you be joining? can they be joining?
Perfeito
can I have joined? can you have joined? can he have joined? can we have joined? can you have joined? can they have joined?
Perfeito com V-ing
can I have been joining? can you have been joining? can he have been joining? can we have been joining? can you have been joining? can they have been joining?
Forma interro-Negação
Forma simple
can't I join? can't you join? can't he join? can't we join? can't you join? can't they join?
Forma com V-ing
can't I be joining? can't you be joining? can't he be joining? can't we be joining? can't you be joining? can't they be joining?
Perfeito
can't I have joined? can't you have joined? can't he have joined? can't we have joined? can't you have joined? can't they have joined?
Perfeito com V-ing
can't I have been joining? can't you have been joining? can't he have been joining? can't we have been joining? can't you have been joining? can't they have been joining?