English verb conjugation
SHOULD GRAPH

Regular verb: graph - graphed - graphed

Affirmation

Simple form	V-ing form
I should graph you should graph he should graph we should graph you should graph they should graph	I should be graphing you should be graphing he should be graphing we should be graphing you should be graphing they should be graphing
Perfect	V-ing perfect
I should have graphed you should have graphed he should have graphed we should have graphed you should have graphed they should have graphed	I should have been graphing you should have been graphing he should have been graphing we should have been graphing you should have been graphing they should have been graphing

Negation

Simple form	V-ing form
I should not graph you should not graph he should not graph we should not graph you should not graph they should not graph	I should not be graphing you should not be graphing he should not be graphing we should not be graphing you should not be graphing they should not be graphing
Perfect	V-ing perfect
I should not have graphed you should not have graphed he should not have graphed we should not have graphed you should not have graphed they should not have graphed	I should not have been graphing you should not have been graphing he should not have been graphing we should not have been graphing you should not have been graphing they should not have been graphing

Interrogative form

Simple form	V-ing form
should I graph? should you graph? should he graph? should we graph? should you graph? should they graph?	should I be graphing? should you be graphing? should he be graphing? should we be graphing? should you be graphing? should they be graphing?
Perfect	V-ing perfect
should I have graphed? should you have graphed? should he have graphed? should we have graphed? should you have graphed? should they have graphed?	should I have been graphing? should you have been graphing? should he have been graphing? should we have been graphing? should you have been graphing? should they have been graphing?

Interro-negative form

Simple form	V-ing form
should I not graph? should you not graph? should he not graph? should we not graph? should you not graph? should they not graph?	should I not be graphing? should you not be graphing? should he not be graphing? should we not be graphing? should you not be graphing? should they not be graphing?
Perfect	V-ing perfect
should I not have graphed? should you not have graphed? should he not have graphed? should we not have graphed? should you not have graphed? should they not have graphed?	should I not have been graphing? should you not have been graphing? should he not have been graphing? should we not have been graphing? should you not have been graphing? should they not have been graphing?