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 cannot lace you cannot lace he cannot lace we cannot lace you cannot lace they cannot lace	I cannot be lacing you cannot be lacing he cannot be lacing we cannot be lacing you cannot be lacing they cannot be lacing
Perfect	V-ing perfect
I cannot have laced you cannot have laced he cannot have laced we cannot have laced you cannot have laced they cannot have laced	I cannot have been lacing you cannot have been lacing he cannot have been lacing we cannot have been lacing you cannot have been lacing they cannot 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 I not lace? can you not lace? can he not lace? can we not lace? can you not lace? can they not lace?	can I not be lacing? can you not be lacing? can he not be lacing? can we not be lacing? can you not be lacing? can they not be lacing?
Perfect	V-ing perfect
can I not have laced? can you not have laced? can he not have laced? can we not have laced? can you not have laced? can they not have laced?	can I not have been lacing? can you not have been lacing? can he not have been lacing? can we not have been lacing? can you not have been lacing? can they not have been lacing?