English verb conjugation
SHOULD FAST

Regular verb: fast - fasted - fasted

Affirmation

Simple form	V-ing form
I should fast you should fast he should fast we should fast you should fast they should fast	I should be fasting you should be fasting he should be fasting we should be fasting you should be fasting they should be fasting
Perfect	V-ing perfect
I should have fasted you should have fasted he should have fasted we should have fasted you should have fasted they should have fasted	I should have been fasting you should have been fasting he should have been fasting we should have been fasting you should have been fasting they should have been fasting

Negation

Simple form	V-ing form
I should not fast you should not fast he should not fast we should not fast you should not fast they should not fast	I should not be fasting you should not be fasting he should not be fasting we should not be fasting you should not be fasting they should not be fasting
Perfect	V-ing perfect
I should not have fasted you should not have fasted he should not have fasted we should not have fasted you should not have fasted they should not have fasted	I should not have been fasting you should not have been fasting he should not have been fasting we should not have been fasting you should not have been fasting they should not have been fasting

Interrogative form

Simple form	V-ing form
should I fast? should you fast? should he fast? should we fast? should you fast? should they fast?	should I be fasting? should you be fasting? should he be fasting? should we be fasting? should you be fasting? should they be fasting?
Perfect	V-ing perfect
should I have fasted? should you have fasted? should he have fasted? should we have fasted? should you have fasted? should they have fasted?	should I have been fasting? should you have been fasting? should he have been fasting? should we have been fasting? should you have been fasting? should they have been fasting?

Interro-negative form

Simple form	V-ing form
should I not fast? should you not fast? should he not fast? should we not fast? should you not fast? should they not fast?	should I not be fasting? should you not be fasting? should he not be fasting? should we not be fasting? should you not be fasting? should they not be fasting?
Perfect	V-ing perfect
should I not have fasted? should you not have fasted? should he not have fasted? should we not have fasted? should you not have fasted? should they not have fasted?	should I not have been fasting? should you not have been fasting? should he not have been fasting? should we not have been fasting? should you not have been fasting? should they not have been fasting?