English verb conjugation
CAN WITTER

Regular verb: witter - wittered - wittered

Affirmation

Simple form	V-ing form
I can witter you can witter he can witter we can witter you can witter they can witter	I can be wittering you can be wittering he can be wittering we can be wittering you can be wittering they can be wittering
Perfect	V-ing perfect
I can have wittered you can have wittered he can have wittered we can have wittered you can have wittered they can have wittered	I can have been wittering you can have been wittering he can have been wittering we can have been wittering you can have been wittering they can have been wittering

Negation

Simple form	V-ing form
I cannot witter you cannot witter he cannot witter we cannot witter you cannot witter they cannot witter	I cannot be wittering you cannot be wittering he cannot be wittering we cannot be wittering you cannot be wittering they cannot be wittering
Perfect	V-ing perfect
I cannot have wittered you cannot have wittered he cannot have wittered we cannot have wittered you cannot have wittered they cannot have wittered	I cannot have been wittering you cannot have been wittering he cannot have been wittering we cannot have been wittering you cannot have been wittering they cannot have been wittering

Interrogative form

Simple form	V-ing form
can I witter? can you witter? can he witter? can we witter? can you witter? can they witter?	can I be wittering? can you be wittering? can he be wittering? can we be wittering? can you be wittering? can they be wittering?
Perfect	V-ing perfect
can I have wittered? can you have wittered? can he have wittered? can we have wittered? can you have wittered? can they have wittered?	can I have been wittering? can you have been wittering? can he have been wittering? can we have been wittering? can you have been wittering? can they have been wittering?

Interro-negative form

Simple form	V-ing form
can I not witter? can you not witter? can he not witter? can we not witter? can you not witter? can they not witter?	can I not be wittering? can you not be wittering? can he not be wittering? can we not be wittering? can you not be wittering? can they not be wittering?
Perfect	V-ing perfect
can I not have wittered? can you not have wittered? can he not have wittered? can we not have wittered? can you not have wittered? can they not have wittered?	can I not have been wittering? can you not have been wittering? can he not have been wittering? can we not have been wittering? can you not have been wittering? can they not have been wittering?