English verb conjugation
CAN WATER

Regular verb: water - watered - watered

Affirmation

Simple form	V-ing form
I can water you can water he can water we can water you can water they can water	I can be watering you can be watering he can be watering we can be watering you can be watering they can be watering
Perfect	V-ing perfect
I can have watered you can have watered he can have watered we can have watered you can have watered they can have watered	I can have been watering you can have been watering he can have been watering we can have been watering you can have been watering they can have been watering

Negation

Simple form	V-ing form
I can't water you can't water he can't water we can't water you can't water they can't water	I can't be watering you can't be watering he can't be watering we can't be watering you can't be watering they can't be watering
Perfect	V-ing perfect
I can't have watered you can't have watered he can't have watered we can't have watered you can't have watered they can't have watered	I can't have been watering you can't have been watering he can't have been watering we can't have been watering you can't have been watering they can't have been watering

Interrogative form

Simple form	V-ing form
can I water? can you water? can he water? can we water? can you water? can they water?	can I be watering? can you be watering? can he be watering? can we be watering? can you be watering? can they be watering?
Perfect	V-ing perfect
can I have watered? can you have watered? can he have watered? can we have watered? can you have watered? can they have watered?	can I have been watering? can you have been watering? can he have been watering? can we have been watering? can you have been watering? can they have been watering?

Interro-negative form

Simple form	V-ing form
can't I water? can't you water? can't he water? can't we water? can't you water? can't they water?	can't I be watering? can't you be watering? can't he be watering? can't we be watering? can't you be watering? can't they be watering?
Perfect	V-ing perfect
can't I have watered? can't you have watered? can't he have watered? can't we have watered? can't you have watered? can't they have watered?	can't I have been watering? can't you have been watering? can't he have been watering? can't we have been watering? can't you have been watering? can't they have been watering?