English verb conjugation
CAN INPUT

Irregular verb: input - input - input

Affirmation

Simple form	V-ing form
I can input you can input he can input we can input you can input they can input	I can be inputing you can be inputing he can be inputing we can be inputing you can be inputing they can be inputing
Perfect	V-ing perfect
I can have input you can have input he can have input we can have input you can have input they can have input	I can have been inputing you can have been inputing he can have been inputing we can have been inputing you can have been inputing they can have been inputing

Negation

Simple form	V-ing form
I can't input you can't input he can't input we can't input you can't input they can't input	I can't be inputing you can't be inputing he can't be inputing we can't be inputing you can't be inputing they can't be inputing
Perfect	V-ing perfect
I can't have input you can't have input he can't have input we can't have input you can't have input they can't have input	I can't have been inputing you can't have been inputing he can't have been inputing we can't have been inputing you can't have been inputing they can't have been inputing

Interrogative form

Simple form	V-ing form
can I input? can you input? can he input? can we input? can you input? can they input?	can I be inputing? can you be inputing? can he be inputing? can we be inputing? can you be inputing? can they be inputing?
Perfect	V-ing perfect
can I have input? can you have input? can he have input? can we have input? can you have input? can they have input?	can I have been inputing? can you have been inputing? can he have been inputing? can we have been inputing? can you have been inputing? can they have been inputing?

Interro-negative form

Simple form	V-ing form
can't I input? can't you input? can't he input? can't we input? can't you input? can't they input?	can't I be inputing? can't you be inputing? can't he be inputing? can't we be inputing? can't you be inputing? can't they be inputing?
Perfect	V-ing perfect
can't I have input? can't you have input? can't he have input? can't we have input? can't you have input? can't they have input?	can't I have been inputing? can't you have been inputing? can't he have been inputing? can't we have been inputing? can't you have been inputing? can't they have been inputing?