could mulch
Regular verb: mulch - mulched- mulched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mulch
you could mulch
he could mulch
we could mulch
you could mulch
they could mulch 	I could be mulching
you could be mulching
he could be mulching
we could be mulching
you could be mulching
they could be mulching	I could have mulched
you could have mulched
he could have mulched
we could have mulched
you could have mulched
they could have mulched	I could have been mulching
you could have been mulching
he could have been mulching
we could have been mulching
you could have been mulching
they could have been mulching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mulch
you couldn't mulch
he couldn't mulch
we couldn't mulch
you couldn't mulch
they couldn't mulch 	I couldn't be mulching
you couldn't be mulching
he couldn't be mulching
we couldn't be mulching
you couldn't be mulching
they couldn't be mulching	I couldn't have mulched
you couldn't have mulched
he couldn't have mulched
we couldn't have mulched
you couldn't have mulched
they couldn't have mulched	I couldn't have been mulching
you couldn't have been mulching
he couldn't have been mulching
we couldn't have been mulching
you couldn't have been mulching
they couldn't have been mulching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mulch?
could you mulch?
could he mulch?
could we mulch?
could you mulch?
could they mulch? 	could I be mulching?
could you be mulching?
could he be mulching?
could we be mulching?
could you be mulching?
could they be mulching? 	could I have mulched?
could you have mulched?
could he have mulched?
could we have mulched?
could you have mulched?
could they have mulched? 	could I have been mulching?
could you have been mulching?
could he have been mulching?
could we have been mulching?
could you have been mulching?
could they have been mulching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mulch?
couldn't you mulch?
couldn't he mulch?
couldn't we mulch?
couldn't you mulch?
couldn't they mulch? 	couldn't I be mulching?
couldn't you be mulching?
couldn't he be mulching?
couldn't we be mulching?
couldn't you be mulching?
couldn't they be mulching? 	couldn't I have mulched?
couldn't you have mulched?
couldn't he have mulched?
couldn't we have mulched?
couldn't you have mulched?
couldn't they have mulched? 	couldn't I have been mulching?
couldn't you have been mulching?
couldn't he have been mulching?
couldn't we have been mulching?
couldn't you have been mulching?
couldn't they have been mulching?