English verb conjugation
CAN LACE

Regular verb: lace - laced - laced

Affirmation

Simple form	V-ing form
I can lace you can lace he can lace we can lace you can lace they can lace	I can be lacing you can be lacing he can be lacing we can be lacing you can be lacing they can be lacing
Perfect	V-ing perfect
I can have laced you can have laced he can have laced we can have laced you can have laced they can have laced	I can have been lacing you can have been lacing he can have been lacing we can have been lacing you can have been lacing they can have been lacing

Negation

Simple form	V-ing form
I can't lace you can't lace he can't lace we can't lace you can't lace they can't lace	I can't be lacing you can't be lacing he can't be lacing we can't be lacing you can't be lacing they can't be lacing
Perfect	V-ing perfect
I can't have laced you can't have laced he can't have laced we can't have laced you can't have laced they can't have laced	I can't have been lacing you can't have been lacing he can't have been lacing we can't have been lacing you can't have been lacing they can't have been lacing

Interrogative form

Simple form	V-ing form
can I lace? can you lace? can he lace? can we lace? can you lace? can they lace?	can I be lacing? can you be lacing? can he be lacing? can we be lacing? can you be lacing? can they be lacing?
Perfect	V-ing perfect
can I have laced? can you have laced? can he have laced? can we have laced? can you have laced? can they have laced?	can I have been lacing? can you have been lacing? can he have been lacing? can we have been lacing? can you have been lacing? can they have been lacing?

Interro-negative form

Simple form	V-ing form
can't I lace? can't you lace? can't he lace? can't we lace? can't you lace? can't they lace?	can't I be lacing? can't you be lacing? can't he be lacing? can't we be lacing? can't you be lacing? can't they be lacing?
Perfect	V-ing perfect
can't I have laced? can't you have laced? can't he have laced? can't we have laced? can't you have laced? can't they have laced?	can't I have been lacing? can't you have been lacing? can't he have been lacing? can't we have been lacing? can't you have been lacing? can't they have been lacing?