could portend
Regular verb: portend - portended- portended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could portend
you could portend
she could portend
we could portend
you could portend
they could portend 	I could be portending
you could be portending
she could be portending
we could be portending
you could be portending
they could be portending	I could have portended
you could have portended
she could have portended
we could have portended
you could have portended
they could have portended	I could have been portending
you could have been portending
she could have been portending
we could have been portending
you could have been portending
they could have been portending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't portend
you couldn't portend
she couldn't portend
we couldn't portend
you couldn't portend
they couldn't portend 	I couldn't be portending
you couldn't be portending
she couldn't be portending
we couldn't be portending
you couldn't be portending
they couldn't be portending	I couldn't have portended
you couldn't have portended
she couldn't have portended
we couldn't have portended
you couldn't have portended
they couldn't have portended	I couldn't have been portending
you couldn't have been portending
she couldn't have been portending
we couldn't have been portending
you couldn't have been portending
they couldn't have been portending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I portend?
could you portend?
could she portend?
could we portend?
could you portend?
could they portend? 	could I be portending?
could you be portending?
could she be portending?
could we be portending?
could you be portending?
could they be portending? 	could I have portended?
could you have portended?
could she have portended?
could we have portended?
could you have portended?
could they have portended? 	could I have been portending?
could you have been portending?
could she have been portending?
could we have been portending?
could you have been portending?
could they have been portending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I portend?
couldn't you portend?
couldn't she portend?
couldn't we portend?
couldn't you portend?
couldn't they portend? 	couldn't I be portending?
couldn't you be portending?
couldn't she be portending?
couldn't we be portending?
couldn't you be portending?
couldn't they be portending? 	couldn't I have portended?
couldn't you have portended?
couldn't she have portended?
couldn't we have portended?
couldn't you have portended?
couldn't they have portended? 	couldn't I have been portending?
couldn't you have been portending?
couldn't she have been portending?
couldn't we have been portending?
couldn't you have been portending?
couldn't they have been portending?