could help
Verbo regular: help - helped- helped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could help
you could help
she could help
we could help
you could help
they could help 	I could be helping
you could be helping
she could be helping
we could be helping
you could be helping
they could be helping	I could have helped
you could have helped
she could have helped
we could have helped
you could have helped
they could have helped	I could have been helping
you could have been helping
she could have been helping
we could have been helping
you could have been helping
they could have been helping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not help
you could not help
she could not help
we could not help
you could not help
they could not help 	I could not be helping
you could not be helping
she could not be helping
we could not be helping
you could not be helping
they could not be helping	I could not have helped
you could not have helped
she could not have helped
we could not have helped
you could not have helped
they could not have helped	I could not have been helping
you could not have been helping
she could not have been helping
we could not have been helping
you could not have been helping
they could not have been helping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I help?
could you help?
could she help?
could we help?
could you help?
could they help? 	could I be helping?
could you be helping?
could she be helping?
could we be helping?
could you be helping?
could they be helping? 	could I have helped?
could you have helped?
could she have helped?
could we have helped?
could you have helped?
could they have helped? 	could I have been helping?
could you have been helping?
could she have been helping?
could we have been helping?
could you have been helping?
could they have been helping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not help?
could you not help?
could she not help?
could we not help?
could you not help?
could they not help? 	could I not be helping?
could you not be helping?
could she not be helping?
could we not be helping?
could you not be helping?
could they not be helping? 	could I not have helped?
could you not have helped?
could she not have helped?
could we not have helped?
could you not have helped?
could they not have helped? 	could I not have been helping?
could you not have been helping?
could she not have been helping?
could we not have been helping?
could you not have been helping?
could they not have been helping?