English verb conjugation
SHOULD BITTER

Regular verb: bitter - bittered - bittered

Affirmation

Simple form	V-ing form
I should bitter you should bitter he should bitter we should bitter you should bitter they should bitter	I should be bittering you should be bittering he should be bittering we should be bittering you should be bittering they should be bittering
Perfect	V-ing perfect
I should have bittered you should have bittered he should have bittered we should have bittered you should have bittered they should have bittered	I should have been bittering you should have been bittering he should have been bittering we should have been bittering you should have been bittering they should have been bittering

Negation

Simple form	V-ing form
I should not bitter you should not bitter he should not bitter we should not bitter you should not bitter they should not bitter	I should not be bittering you should not be bittering he should not be bittering we should not be bittering you should not be bittering they should not be bittering
Perfect	V-ing perfect
I should not have bittered you should not have bittered he should not have bittered we should not have bittered you should not have bittered they should not have bittered	I should not have been bittering you should not have been bittering he should not have been bittering we should not have been bittering you should not have been bittering they should not have been bittering

Interrogative form

Simple form	V-ing form
should I bitter? should you bitter? should he bitter? should we bitter? should you bitter? should they bitter?	should I be bittering? should you be bittering? should he be bittering? should we be bittering? should you be bittering? should they be bittering?
Perfect	V-ing perfect
should I have bittered? should you have bittered? should he have bittered? should we have bittered? should you have bittered? should they have bittered?	should I have been bittering? should you have been bittering? should he have been bittering? should we have been bittering? should you have been bittering? should they have been bittering?

Interro-negative form

Simple form	V-ing form
should I not bitter? should you not bitter? should he not bitter? should we not bitter? should you not bitter? should they not bitter?	should I not be bittering? should you not be bittering? should he not be bittering? should we not be bittering? should you not be bittering? should they not be bittering?
Perfect	V-ing perfect
should I not have bittered? should you not have bittered? should he not have bittered? should we not have bittered? should you not have bittered? should they not have bittered?	should I not have been bittering? should you not have been bittering? should he not have been bittering? should we not have been bittering? should you not have been bittering? should they not have been bittering?