could harm
Verbo regular: harm - harmed- harmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could harm
you could harm
she could harm
we could harm
you could harm
they could harm 	I could be harming
you could be harming
she could be harming
we could be harming
you could be harming
they could be harming	I could have harmed
you could have harmed
she could have harmed
we could have harmed
you could have harmed
they could have harmed	I could have been harming
you could have been harming
she could have been harming
we could have been harming
you could have been harming
they could have been harming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't harm
you couldn't harm
she couldn't harm
we couldn't harm
you couldn't harm
they couldn't harm 	I couldn't be harming
you couldn't be harming
she couldn't be harming
we couldn't be harming
you couldn't be harming
they couldn't be harming	I couldn't have harmed
you couldn't have harmed
she couldn't have harmed
we couldn't have harmed
you couldn't have harmed
they couldn't have harmed	I couldn't have been harming
you couldn't have been harming
she couldn't have been harming
we couldn't have been harming
you couldn't have been harming
they couldn't have been harming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I harm?
could you harm?
could she harm?
could we harm?
could you harm?
could they harm? 	could I be harming?
could you be harming?
could she be harming?
could we be harming?
could you be harming?
could they be harming? 	could I have harmed?
could you have harmed?
could she have harmed?
could we have harmed?
could you have harmed?
could they have harmed? 	could I have been harming?
could you have been harming?
could she have been harming?
could we have been harming?
could you have been harming?
could they have been harming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I harm?
couldn't you harm?
couldn't she harm?
couldn't we harm?
couldn't you harm?
couldn't they harm? 	couldn't I be harming?
couldn't you be harming?
couldn't she be harming?
couldn't we be harming?
couldn't you be harming?
couldn't they be harming? 	couldn't I have harmed?
couldn't you have harmed?
couldn't she have harmed?
couldn't we have harmed?
couldn't you have harmed?
couldn't they have harmed? 	couldn't I have been harming?
couldn't you have been harming?
couldn't she have been harming?
couldn't we have been harming?
couldn't you have been harming?
couldn't they have been harming?