English verb conjugation
CAN LAPSE

Regular verb: lapse - lapsed - lapsed

Affirmation

Simple form	V-ing form
I can lapse you can lapse he can lapse we can lapse you can lapse they can lapse	I can be lapsing you can be lapsing he can be lapsing we can be lapsing you can be lapsing they can be lapsing
Perfect	V-ing perfect
I can have lapsed you can have lapsed he can have lapsed we can have lapsed you can have lapsed they can have lapsed	I can have been lapsing you can have been lapsing he can have been lapsing we can have been lapsing you can have been lapsing they can have been lapsing

Negation

Simple form	V-ing form
I can't lapse you can't lapse he can't lapse we can't lapse you can't lapse they can't lapse	I can't be lapsing you can't be lapsing he can't be lapsing we can't be lapsing you can't be lapsing they can't be lapsing
Perfect	V-ing perfect
I can't have lapsed you can't have lapsed he can't have lapsed we can't have lapsed you can't have lapsed they can't have lapsed	I can't have been lapsing you can't have been lapsing he can't have been lapsing we can't have been lapsing you can't have been lapsing they can't have been lapsing

Interrogative form

Simple form	V-ing form
can I lapse? can you lapse? can he lapse? can we lapse? can you lapse? can they lapse?	can I be lapsing? can you be lapsing? can he be lapsing? can we be lapsing? can you be lapsing? can they be lapsing?
Perfect	V-ing perfect
can I have lapsed? can you have lapsed? can he have lapsed? can we have lapsed? can you have lapsed? can they have lapsed?	can I have been lapsing? can you have been lapsing? can he have been lapsing? can we have been lapsing? can you have been lapsing? can they have been lapsing?

Interro-negative form

Simple form	V-ing form
can't I lapse? can't you lapse? can't he lapse? can't we lapse? can't you lapse? can't they lapse?	can't I be lapsing? can't you be lapsing? can't he be lapsing? can't we be lapsing? can't you be lapsing? can't they be lapsing?
Perfect	V-ing perfect
can't I have lapsed? can't you have lapsed? can't he have lapsed? can't we have lapsed? can't you have lapsed? can't they have lapsed?	can't I have been lapsing? can't you have been lapsing? can't he have been lapsing? can't we have been lapsing? can't you have been lapsing? can't they have been lapsing?