could whelm
Regular verb: whelm - whelmed- whelmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could whelm
you could whelm
she could whelm
we could whelm
you could whelm
they could whelm 	I could be whelming
you could be whelming
she could be whelming
we could be whelming
you could be whelming
they could be whelming	I could have whelmed
you could have whelmed
she could have whelmed
we could have whelmed
you could have whelmed
they could have whelmed	I could have been whelming
you could have been whelming
she could have been whelming
we could have been whelming
you could have been whelming
they could have been whelming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't whelm
you couldn't whelm
she couldn't whelm
we couldn't whelm
you couldn't whelm
they couldn't whelm 	I couldn't be whelming
you couldn't be whelming
she couldn't be whelming
we couldn't be whelming
you couldn't be whelming
they couldn't be whelming	I couldn't have whelmed
you couldn't have whelmed
she couldn't have whelmed
we couldn't have whelmed
you couldn't have whelmed
they couldn't have whelmed	I couldn't have been whelming
you couldn't have been whelming
she couldn't have been whelming
we couldn't have been whelming
you couldn't have been whelming
they couldn't have been whelming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I whelm?
could you whelm?
could she whelm?
could we whelm?
could you whelm?
could they whelm? 	could I be whelming?
could you be whelming?
could she be whelming?
could we be whelming?
could you be whelming?
could they be whelming? 	could I have whelmed?
could you have whelmed?
could she have whelmed?
could we have whelmed?
could you have whelmed?
could they have whelmed? 	could I have been whelming?
could you have been whelming?
could she have been whelming?
could we have been whelming?
could you have been whelming?
could they have been whelming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I whelm?
couldn't you whelm?
couldn't she whelm?
couldn't we whelm?
couldn't you whelm?
couldn't they whelm? 	couldn't I be whelming?
couldn't you be whelming?
couldn't she be whelming?
couldn't we be whelming?
couldn't you be whelming?
couldn't they be whelming? 	couldn't I have whelmed?
couldn't you have whelmed?
couldn't she have whelmed?
couldn't we have whelmed?
couldn't you have whelmed?
couldn't they have whelmed? 	couldn't I have been whelming?
couldn't you have been whelming?
couldn't she have been whelming?
couldn't we have been whelming?
couldn't you have been whelming?
couldn't they have been whelming?