English verb conjugation
CAN SEND

Irregular verb: send - sent - sent

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not send? can you not send? can she not send? can we not send? can you not send? can they not send?	can I not be sending? can you not be sending? can she not be sending? can we not be sending? can you not be sending? can they not be sending?
Perfect	V-ing perfect
can I not have sent? can you not have sent? can she not have sent? can we not have sent? can you not have sent? can they not have sent?	can I not have been sending? can you not have been sending? can she not have been sending? can we not have been sending? can you not have been sending? can they not have been sending?