male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD THANK
Regular verb: thank - thanked - thanked
Affirmation
Simple form
I could thankyou could thank
she could thank
we could thank
you could thank
they could thank
V-ing form
I could be thankingyou could be thanking
she could be thanking
we could be thanking
you could be thanking
they could be thanking
Perfect
I could have thankedyou could have thanked
she could have thanked
we could have thanked
you could have thanked
they could have thanked
V-ing perfect
I could have been thankingyou could have been thanking
she could have been thanking
we could have been thanking
you could have been thanking
they could have been thanking
Negation
Simple form
I couldn't thankyou couldn't thank
she couldn't thank
we couldn't thank
you couldn't thank
they couldn't thank
V-ing form
I couldn't be thankingyou couldn't be thanking
she couldn't be thanking
we couldn't be thanking
you couldn't be thanking
they couldn't be thanking
Perfect
I couldn't have thankedyou couldn't have thanked
she couldn't have thanked
we couldn't have thanked
you couldn't have thanked
they couldn't have thanked
V-ing perfect
I couldn't have been thankingyou couldn't have been thanking
she couldn't have been thanking
we couldn't have been thanking
you couldn't have been thanking
they couldn't have been thanking
Interrogative form
Simple form
could I thank?could you thank?
could she thank?
could we thank?
could you thank?
could they thank?
V-ing form
could I be thanking?could you be thanking?
could she be thanking?
could we be thanking?
could you be thanking?
could they be thanking?
Perfect
could I have thanked?could you have thanked?
could she have thanked?
could we have thanked?
could you have thanked?
could they have thanked?
V-ing perfect
could I have been thanking?could you have been thanking?
could she have been thanking?
could we have been thanking?
could you have been thanking?
could they have been thanking?
Interro-negative form
Simple form
couldn't I thank?couldn't you thank?
couldn't she thank?
couldn't we thank?
couldn't you thank?
couldn't they thank?
V-ing form
couldn't I be thanking?couldn't you be thanking?
couldn't she be thanking?
couldn't we be thanking?
couldn't you be thanking?
couldn't they be thanking?
Perfect
couldn't I have thanked?couldn't you have thanked?
couldn't she have thanked?
couldn't we have thanked?
couldn't you have thanked?
couldn't they have thanked?
V-ing perfect
couldn't I have been thanking?couldn't you have been thanking?
couldn't she have been thanking?
couldn't we have been thanking?
couldn't you have been thanking?
couldn't they have been thanking?