English verb conjugation
COULD SEND

Irregular verb: send - sent - sent

Affirmation

Simple form	V-ing form
I could send you could send she could send we could send you could send they could send	I could be sending you could be sending she could be sending we could be sending you could be sending they could be sending
Perfect	V-ing perfect
I could have sent you could have sent she could have sent we could have sent you could have sent they could have sent	I could have been sending you could have been sending she could have been sending we could have been sending you could have been sending they could have been sending

Negation

Simple form	V-ing form
I couldn't send you couldn't send she couldn't send we couldn't send you couldn't send they couldn't send	I couldn't be sending you couldn't be sending she couldn't be sending we couldn't be sending you couldn't be sending they couldn't be sending
Perfect	V-ing perfect
I couldn't have sent you couldn't have sent she couldn't have sent we couldn't have sent you couldn't have sent they couldn't have sent	I couldn't have been sending you couldn't have been sending she couldn't have been sending we couldn't have been sending you couldn't have been sending they couldn't have been sending

Interrogative form

Simple form	V-ing form
could I send? could you send? could she send? could we send? could you send? could they send?	could I be sending? could you be sending? could she be sending? could we be sending? could you be sending? could they be sending?
Perfect	V-ing perfect
could I have sent? could you have sent? could she have sent? could we have sent? could you have sent? could they have sent?	could I have been sending? could you have been sending? could she have been sending? could we have been sending? could you have been sending? could they have been sending?

Interro-negative form

Simple form	V-ing form
couldn't I send? couldn't you send? couldn't she send? couldn't we send? couldn't you send? couldn't they send?	couldn't I be sending? couldn't you be sending? couldn't she be sending? couldn't we be sending? couldn't you be sending? couldn't they be sending?
Perfect	V-ing perfect
couldn't I have sent? couldn't you have sent? couldn't she have sent? couldn't we have sent? couldn't you have sent? couldn't they have sent?	couldn't I have been sending? couldn't you have been sending? couldn't she have been sending? couldn't we have been sending? couldn't you have been sending? couldn't they have been sending?