could swank
Regular verb: swank - swanked- swanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could swank
you could swank
he could swank
we could swank
you could swank
they could swank 	I could be swanking
you could be swanking
he could be swanking
we could be swanking
you could be swanking
they could be swanking	I could have swanked
you could have swanked
he could have swanked
we could have swanked
you could have swanked
they could have swanked	I could have been swanking
you could have been swanking
he could have been swanking
we could have been swanking
you could have been swanking
they could have been swanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't swank
you couldn't swank
he couldn't swank
we couldn't swank
you couldn't swank
they couldn't swank 	I couldn't be swanking
you couldn't be swanking
he couldn't be swanking
we couldn't be swanking
you couldn't be swanking
they couldn't be swanking	I couldn't have swanked
you couldn't have swanked
he couldn't have swanked
we couldn't have swanked
you couldn't have swanked
they couldn't have swanked	I couldn't have been swanking
you couldn't have been swanking
he couldn't have been swanking
we couldn't have been swanking
you couldn't have been swanking
they couldn't have been swanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I swank?
could you swank?
could he swank?
could we swank?
could you swank?
could they swank? 	could I be swanking?
could you be swanking?
could he be swanking?
could we be swanking?
could you be swanking?
could they be swanking? 	could I have swanked?
could you have swanked?
could he have swanked?
could we have swanked?
could you have swanked?
could they have swanked? 	could I have been swanking?
could you have been swanking?
could he have been swanking?
could we have been swanking?
could you have been swanking?
could they have been swanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I swank?
couldn't you swank?
couldn't he swank?
couldn't we swank?
couldn't you swank?
couldn't they swank? 	couldn't I be swanking?
couldn't you be swanking?
couldn't he be swanking?
couldn't we be swanking?
couldn't you be swanking?
couldn't they be swanking? 	couldn't I have swanked?
couldn't you have swanked?
couldn't he have swanked?
couldn't we have swanked?
couldn't you have swanked?
couldn't they have swanked? 	couldn't I have been swanking?
couldn't you have been swanking?
couldn't he have been swanking?
couldn't we have been swanking?
couldn't you have been swanking?
couldn't they have been swanking?