English verb conjugation
CAN SEX

Regular verb: sex - sexed - sexed

Affirmation

Simple form	V-ing form
I can sex you can sex he can sex we can sex you can sex they can sex	I can be sexing you can be sexing he can be sexing we can be sexing you can be sexing they can be sexing
Perfect	V-ing perfect
I can have sexed you can have sexed he can have sexed we can have sexed you can have sexed they can have sexed	I can have been sexing you can have been sexing he can have been sexing we can have been sexing you can have been sexing they can have been sexing

Negation

Simple form	V-ing form
I cannot sex you cannot sex he cannot sex we cannot sex you cannot sex they cannot sex	I cannot be sexing you cannot be sexing he cannot be sexing we cannot be sexing you cannot be sexing they cannot be sexing
Perfect	V-ing perfect
I cannot have sexed you cannot have sexed he cannot have sexed we cannot have sexed you cannot have sexed they cannot have sexed	I cannot have been sexing you cannot have been sexing he cannot have been sexing we cannot have been sexing you cannot have been sexing they cannot have been sexing

Interrogative form

Simple form	V-ing form
can I sex? can you sex? can he sex? can we sex? can you sex? can they sex?	can I be sexing? can you be sexing? can he be sexing? can we be sexing? can you be sexing? can they be sexing?
Perfect	V-ing perfect
can I have sexed? can you have sexed? can he have sexed? can we have sexed? can you have sexed? can they have sexed?	can I have been sexing? can you have been sexing? can he have been sexing? can we have been sexing? can you have been sexing? can they have been sexing?

Interro-negative form

Simple form	V-ing form
can I not sex? can you not sex? can he not sex? can we not sex? can you not sex? can they not sex?	can I not be sexing? can you not be sexing? can he not be sexing? can we not be sexing? can you not be sexing? can they not be sexing?
Perfect	V-ing perfect
can I not have sexed? can you not have sexed? can he not have sexed? can we not have sexed? can you not have sexed? can they not have sexed?	can I not have been sexing? can you not have been sexing? can he not have been sexing? can we not have been sexing? can you not have been sexing? can they not have been sexing?