English verb conjugation
COULD THAW

Regular verb: thaw - thawed - thawed

Affirmation

Simple form	V-ing form
I could thaw you could thaw she could thaw we could thaw you could thaw they could thaw	I could be thawing you could be thawing she could be thawing we could be thawing you could be thawing they could be thawing
Perfect	V-ing perfect
I could have thawed you could have thawed she could have thawed we could have thawed you could have thawed they could have thawed	I could have been thawing you could have been thawing she could have been thawing we could have been thawing you could have been thawing they could have been thawing

Negation

Simple form	V-ing form
I could not thaw you could not thaw she could not thaw we could not thaw you could not thaw they could not thaw	I could not be thawing you could not be thawing she could not be thawing we could not be thawing you could not be thawing they could not be thawing
Perfect	V-ing perfect
I could not have thawed you could not have thawed she could not have thawed we could not have thawed you could not have thawed they could not have thawed	I could not have been thawing you could not have been thawing she could not have been thawing we could not have been thawing you could not have been thawing they could not have been thawing

Interrogative form

Simple form	V-ing form
could I thaw? could you thaw? could she thaw? could we thaw? could you thaw? could they thaw?	could I be thawing? could you be thawing? could she be thawing? could we be thawing? could you be thawing? could they be thawing?
Perfect	V-ing perfect
could I have thawed? could you have thawed? could she have thawed? could we have thawed? could you have thawed? could they have thawed?	could I have been thawing? could you have been thawing? could she have been thawing? could we have been thawing? could you have been thawing? could they have been thawing?

Interro-negative form

Simple form	V-ing form
could I not thaw? could you not thaw? could she not thaw? could we not thaw? could you not thaw? could they not thaw?	could I not be thawing? could you not be thawing? could she not be thawing? could we not be thawing? could you not be thawing? could they not be thawing?
Perfect	V-ing perfect
could I not have thawed? could you not have thawed? could she not have thawed? could we not have thawed? could you not have thawed? could they not have thawed?	could I not have been thawing? could you not have been thawing? could she not have been thawing? could we not have been thawing? could you not have been thawing? could they not have been thawing?