English verb conjugation
CAN LEACH

Regular verb: leach - leached - leached

Affirmation

Simple form	V-ing form
I can leach you can leach he can leach we can leach you can leach they can leach	I can be leaching you can be leaching he can be leaching we can be leaching you can be leaching they can be leaching
Perfect	V-ing perfect
I can have leached you can have leached he can have leached we can have leached you can have leached they can have leached	I can have been leaching you can have been leaching he can have been leaching we can have been leaching you can have been leaching they can have been leaching

Negation

Simple form	V-ing form
I can't leach you can't leach he can't leach we can't leach you can't leach they can't leach	I can't be leaching you can't be leaching he can't be leaching we can't be leaching you can't be leaching they can't be leaching
Perfect	V-ing perfect
I can't have leached you can't have leached he can't have leached we can't have leached you can't have leached they can't have leached	I can't have been leaching you can't have been leaching he can't have been leaching we can't have been leaching you can't have been leaching they can't have been leaching

Interrogative form

Simple form	V-ing form
can I leach? can you leach? can he leach? can we leach? can you leach? can they leach?	can I be leaching? can you be leaching? can he be leaching? can we be leaching? can you be leaching? can they be leaching?
Perfect	V-ing perfect
can I have leached? can you have leached? can he have leached? can we have leached? can you have leached? can they have leached?	can I have been leaching? can you have been leaching? can he have been leaching? can we have been leaching? can you have been leaching? can they have been leaching?

Interro-negative form

Simple form	V-ing form
can't I leach? can't you leach? can't he leach? can't we leach? can't you leach? can't they leach?	can't I be leaching? can't you be leaching? can't he be leaching? can't we be leaching? can't you be leaching? can't they be leaching?
Perfect	V-ing perfect
can't I have leached? can't you have leached? can't he have leached? can't we have leached? can't you have leached? can't they have leached?	can't I have been leaching? can't you have been leaching? can't he have been leaching? can't we have been leaching? can't you have been leaching? can't they have been leaching?