English verb conjugation
SHOULD GUFFAW

Regular verb: guffaw - guffawed - guffawed

Affirmation

Simple form	V-ing form
I should guffaw you should guffaw he should guffaw we should guffaw you should guffaw they should guffaw	I should be guffawing you should be guffawing he should be guffawing we should be guffawing you should be guffawing they should be guffawing
Perfect	V-ing perfect
I should have guffawed you should have guffawed he should have guffawed we should have guffawed you should have guffawed they should have guffawed	I should have been guffawing you should have been guffawing he should have been guffawing we should have been guffawing you should have been guffawing they should have been guffawing

Negation

Simple form	V-ing form
I should not guffaw you should not guffaw he should not guffaw we should not guffaw you should not guffaw they should not guffaw	I should not be guffawing you should not be guffawing he should not be guffawing we should not be guffawing you should not be guffawing they should not be guffawing
Perfect	V-ing perfect
I should not have guffawed you should not have guffawed he should not have guffawed we should not have guffawed you should not have guffawed they should not have guffawed	I should not have been guffawing you should not have been guffawing he should not have been guffawing we should not have been guffawing you should not have been guffawing they should not have been guffawing

Interrogative form

Simple form	V-ing form
should I guffaw? should you guffaw? should he guffaw? should we guffaw? should you guffaw? should they guffaw?	should I be guffawing? should you be guffawing? should he be guffawing? should we be guffawing? should you be guffawing? should they be guffawing?
Perfect	V-ing perfect
should I have guffawed? should you have guffawed? should he have guffawed? should we have guffawed? should you have guffawed? should they have guffawed?	should I have been guffawing? should you have been guffawing? should he have been guffawing? should we have been guffawing? should you have been guffawing? should they have been guffawing?

Interro-negative form

Simple form	V-ing form
should I not guffaw? should you not guffaw? should he not guffaw? should we not guffaw? should you not guffaw? should they not guffaw?	should I not be guffawing? should you not be guffawing? should he not be guffawing? should we not be guffawing? should you not be guffawing? should they not be guffawing?
Perfect	V-ing perfect
should I not have guffawed? should you not have guffawed? should he not have guffawed? should we not have guffawed? should you not have guffawed? should they not have guffawed?	should I not have been guffawing? should you not have been guffawing? should he not have been guffawing? should we not have been guffawing? should you not have been guffawing? should they not have been guffawing?