English verb conjugation
CAN MATCH

Regular verb: match - matched - matched

Affirmation

Simple form	V-ing form
I can match you can match he can match we can match you can match they can match	I can be matching you can be matching he can be matching we can be matching you can be matching they can be matching
Perfect	V-ing perfect
I can have matched you can have matched he can have matched we can have matched you can have matched they can have matched	I can have been matching you can have been matching he can have been matching we can have been matching you can have been matching they can have been matching

Negation

Simple form	V-ing form
I cannot match you cannot match he cannot match we cannot match you cannot match they cannot match	I cannot be matching you cannot be matching he cannot be matching we cannot be matching you cannot be matching they cannot be matching
Perfect	V-ing perfect
I cannot have matched you cannot have matched he cannot have matched we cannot have matched you cannot have matched they cannot have matched	I cannot have been matching you cannot have been matching he cannot have been matching we cannot have been matching you cannot have been matching they cannot have been matching

Interrogative form

Simple form	V-ing form
can I match? can you match? can he match? can we match? can you match? can they match?	can I be matching? can you be matching? can he be matching? can we be matching? can you be matching? can they be matching?
Perfect	V-ing perfect
can I have matched? can you have matched? can he have matched? can we have matched? can you have matched? can they have matched?	can I have been matching? can you have been matching? can he have been matching? can we have been matching? can you have been matching? can they have been matching?

Interro-negative form

Simple form	V-ing form
can I not match? can you not match? can he not match? can we not match? can you not match? can they not match?	can I not be matching? can you not be matching? can he not be matching? can we not be matching? can you not be matching? can they not be matching?
Perfect	V-ing perfect
can I not have matched? can you not have matched? can he not have matched? can we not have matched? can you not have matched? can they not have matched?	can I not have been matching? can you not have been matching? can he not have been matching? can we not have been matching? can you not have been matching? can they not have been matching?