can join
Verbo regular: join - joined- joined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can join
you can join
she can join
we can join
you can join
they can join 	I can be joining
you can be joining
she can be joining
we can be joining
you can be joining
they can be joining	I can have joined
you can have joined
she can have joined
we can have joined
you can have joined
they can have joined	I can have been joining
you can have been joining
she can have been joining
we can have been joining
you can have been joining
they can have been joining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't join
you can't join
she can't join
we can't join
you can't join
they can't join 	I can't be joining
you can't be joining
she can't be joining
we can't be joining
you can't be joining
they can't be joining	I can't have joined
you can't have joined
she can't have joined
we can't have joined
you can't have joined
they can't have joined	I can't have been joining
you can't have been joining
she 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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I join?
can you join?
can she join?
can we join?
can you join?
can they join? 	can I be joining?
can you be joining?
can she be joining?
can we be joining?
can you be joining?
can they be joining? 	can I have joined?
can you have joined?
can she have joined?
can we have joined?
can you have joined?
can they have joined? 	can I have been joining?
can you have been joining?
can she have been joining?
can we have been joining?
can you have been joining?
can they have been joining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I join?
can't you join?
can't she join?
can't we join?
can't you join?
can't they join? 	can't I be joining?
can't you be joining?
can't she be joining?
can't we be joining?
can't you be joining?
can't they be joining? 	can't I have joined?
can't you have joined?
can't she have joined?
can't we have joined?
can't you have joined?
can't they have joined? 	can't I have been joining?
can't you have been joining?
can't she have been joining?
can't we have been joining?
can't you have been joining?
can't they have been joining?