could tweeze
Regular verb: tweeze - tweezed- tweezed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tweeze
you could tweeze
he could tweeze
we could tweeze
you could tweeze
they could tweeze 	I could be tweezing
you could be tweezing
he could be tweezing
we could be tweezing
you could be tweezing
they could be tweezing	I could have tweezed
you could have tweezed
he could have tweezed
we could have tweezed
you could have tweezed
they could have tweezed	I could have been tweezing
you could have been tweezing
he could have been tweezing
we could have been tweezing
you could have been tweezing
they could have been tweezing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't tweeze
you couldn't tweeze
he couldn't tweeze
we couldn't tweeze
you couldn't tweeze
they couldn't tweeze 	I couldn't be tweezing
you couldn't be tweezing
he couldn't be tweezing
we couldn't be tweezing
you couldn't be tweezing
they couldn't be tweezing	I couldn't have tweezed
you couldn't have tweezed
he couldn't have tweezed
we couldn't have tweezed
you couldn't have tweezed
they couldn't have tweezed	I couldn't have been tweezing
you couldn't have been tweezing
he couldn't have been tweezing
we couldn't have been tweezing
you couldn't have been tweezing
they couldn't have been tweezing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tweeze?
could you tweeze?
could he tweeze?
could we tweeze?
could you tweeze?
could they tweeze? 	could I be tweezing?
could you be tweezing?
could he be tweezing?
could we be tweezing?
could you be tweezing?
could they be tweezing? 	could I have tweezed?
could you have tweezed?
could he have tweezed?
could we have tweezed?
could you have tweezed?
could they have tweezed? 	could I have been tweezing?
could you have been tweezing?
could he have been tweezing?
could we have been tweezing?
could you have been tweezing?
could they have been tweezing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I tweeze?
couldn't you tweeze?
couldn't he tweeze?
couldn't we tweeze?
couldn't you tweeze?
couldn't they tweeze? 	couldn't I be tweezing?
couldn't you be tweezing?
couldn't he be tweezing?
couldn't we be tweezing?
couldn't you be tweezing?
couldn't they be tweezing? 	couldn't I have tweezed?
couldn't you have tweezed?
couldn't he have tweezed?
couldn't we have tweezed?
couldn't you have tweezed?
couldn't they have tweezed? 	couldn't I have been tweezing?
couldn't you have been tweezing?
couldn't he have been tweezing?
couldn't we have been tweezing?
couldn't you have been tweezing?
couldn't they have been tweezing?