can lam
Regular verb: lam - lammed- lammed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can lam
you can lam
he can lam
we can lam
you can lam
they can lam 	I can be lamming
you can be lamming
he can be lamming
we can be lamming
you can be lamming
they can be lamming	I can have lammed
you can have lammed
he can have lammed
we can have lammed
you can have lammed
they can have lammed	I can have been lamming
you can have been lamming
he can have been lamming
we can have been lamming
you can have been lamming
they can have been lamming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't lam
you can't lam
he can't lam
we can't lam
you can't lam
they can't lam 	I can't be lamming
you can't be lamming
he can't be lamming
we can't be lamming
you can't be lamming
they can't be lamming	I can't have lammed
you can't have lammed
he can't have lammed
we can't have lammed
you can't have lammed
they can't have lammed	I can't have been lamming
you can't have been lamming
he can't have been lamming
we can't have been lamming
you can't have been lamming
they can't have been lamming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I lam?
can you lam?
can he lam?
can we lam?
can you lam?
can they lam? 	can I be lamming?
can you be lamming?
can he be lamming?
can we be lamming?
can you be lamming?
can they be lamming? 	can I have lammed?
can you have lammed?
can he have lammed?
can we have lammed?
can you have lammed?
can they have lammed? 	can I have been lamming?
can you have been lamming?
can he have been lamming?
can we have been lamming?
can you have been lamming?
can they have been lamming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I lam?
can't you lam?
can't he lam?
can't we lam?
can't you lam?
can't they lam? 	can't I be lamming?
can't you be lamming?
can't he be lamming?
can't we be lamming?
can't you be lamming?
can't they be lamming? 	can't I have lammed?
can't you have lammed?
can't he have lammed?
can't we have lammed?
can't you have lammed?
can't they have lammed? 	can't I have been lamming?
can't you have been lamming?
can't he have been lamming?
can't we have been lamming?
can't you have been lamming?
can't they have been lamming?