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 can't sex you can't sex he can't sex we can't sex you can't sex they can't sex	I can't be sexing you can't be sexing he can't be sexing we can't be sexing you can't be sexing they can't be sexing
Perfect	V-ing perfect
I can't have sexed you can't have sexed he can't have sexed we can't have sexed you can't have sexed they can't have sexed	I can't have been sexing you can't have been sexing he can't have been sexing we can't have been sexing you can't have been sexing they can't 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't I sex? can't you sex? can't he sex? can't we sex? can't you sex? can't they sex?	can't I be sexing? can't you be sexing? can't he be sexing? can't we be sexing? can't you be sexing? can't they be sexing?
Perfect	V-ing perfect
can't I have sexed? can't you have sexed? can't he have sexed? can't we have sexed? can't you have sexed? can't they have sexed?	can't I have been sexing? can't you have been sexing? can't he have been sexing? can't we have been sexing? can't you have been sexing? can't they have been sexing?