could dwarf
Regular verb: dwarf - dwarfed- dwarfed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dwarf
you could dwarf
she could dwarf
we could dwarf
you could dwarf
they could dwarf 	I could be dwarfing
you could be dwarfing
she could be dwarfing
we could be dwarfing
you could be dwarfing
they could be dwarfing	I could have dwarfed
you could have dwarfed
she could have dwarfed
we could have dwarfed
you could have dwarfed
they could have dwarfed	I could have been dwarfing
you could have been dwarfing
she could have been dwarfing
we could have been dwarfing
you could have been dwarfing
they could have been dwarfing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dwarf
you couldn't dwarf
she couldn't dwarf
we couldn't dwarf
you couldn't dwarf
they couldn't dwarf 	I couldn't be dwarfing
you couldn't be dwarfing
she couldn't be dwarfing
we couldn't be dwarfing
you couldn't be dwarfing
they couldn't be dwarfing	I couldn't have dwarfed
you couldn't have dwarfed
she couldn't have dwarfed
we couldn't have dwarfed
you couldn't have dwarfed
they couldn't have dwarfed	I couldn't have been dwarfing
you couldn't have been dwarfing
she couldn't have been dwarfing
we couldn't have been dwarfing
you couldn't have been dwarfing
they couldn't have been dwarfing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dwarf?
could you dwarf?
could she dwarf?
could we dwarf?
could you dwarf?
could they dwarf? 	could I be dwarfing?
could you be dwarfing?
could she be dwarfing?
could we be dwarfing?
could you be dwarfing?
could they be dwarfing? 	could I have dwarfed?
could you have dwarfed?
could she have dwarfed?
could we have dwarfed?
could you have dwarfed?
could they have dwarfed? 	could I have been dwarfing?
could you have been dwarfing?
could she have been dwarfing?
could we have been dwarfing?
could you have been dwarfing?
could they have been dwarfing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dwarf?
couldn't you dwarf?
couldn't she dwarf?
couldn't we dwarf?
couldn't you dwarf?
couldn't they dwarf? 	couldn't I be dwarfing?
couldn't you be dwarfing?
couldn't she be dwarfing?
couldn't we be dwarfing?
couldn't you be dwarfing?
couldn't they be dwarfing? 	couldn't I have dwarfed?
couldn't you have dwarfed?
couldn't she have dwarfed?
couldn't we have dwarfed?
couldn't you have dwarfed?
couldn't they have dwarfed? 	couldn't I have been dwarfing?
couldn't you have been dwarfing?
couldn't she have been dwarfing?
couldn't we have been dwarfing?
couldn't you have been dwarfing?
couldn't they have been dwarfing?