English verb conjugation
CAN BETTER

Regular verb: better - bettered - bettered

Affirmation

Simple form	V-ing form
I can better you can better he can better we can better you can better they can better	I can be bettering you can be bettering he can be bettering we can be bettering you can be bettering they can be bettering
Perfect	V-ing perfect
I can have bettered you can have bettered he can have bettered we can have bettered you can have bettered they can have bettered	I can have been bettering you can have been bettering he can have been bettering we can have been bettering you can have been bettering they can have been bettering

Negation

Simple form	V-ing form
I can't better you can't better he can't better we can't better you can't better they can't better	I can't be bettering you can't be bettering he can't be bettering we can't be bettering you can't be bettering they can't be bettering
Perfect	V-ing perfect
I can't have bettered you can't have bettered he can't have bettered we can't have bettered you can't have bettered they can't have bettered	I can't have been bettering you can't have been bettering he can't have been bettering we can't have been bettering you can't have been bettering they can't have been bettering

Interrogative form

Simple form	V-ing form
can I better? can you better? can he better? can we better? can you better? can they better?	can I be bettering? can you be bettering? can he be bettering? can we be bettering? can you be bettering? can they be bettering?
Perfect	V-ing perfect
can I have bettered? can you have bettered? can he have bettered? can we have bettered? can you have bettered? can they have bettered?	can I have been bettering? can you have been bettering? can he have been bettering? can we have been bettering? can you have been bettering? can they have been bettering?

Interro-negative form

Simple form	V-ing form
can't I better? can't you better? can't he better? can't we better? can't you better? can't they better?	can't I be bettering? can't you be bettering? can't he be bettering? can't we be bettering? can't you be bettering? can't they be bettering?
Perfect	V-ing perfect
can't I have bettered? can't you have bettered? can't he have bettered? can't we have bettered? can't you have bettered? can't they have bettered?	can't I have been bettering? can't you have been bettering? can't he have been bettering? can't we have been bettering? can't you have been bettering? can't they have been bettering?