English verb conjugation
SHOULD YELLOW

Regular verb: yellow - yellowed - yellowed

Affirmation

Simple form	V-ing form
I should yellow you should yellow he should yellow we should yellow you should yellow they should yellow	I should be yellowing you should be yellowing he should be yellowing we should be yellowing you should be yellowing they should be yellowing
Perfect	V-ing perfect
I should have yellowed you should have yellowed he should have yellowed we should have yellowed you should have yellowed they should have yellowed	I should have been yellowing you should have been yellowing he should have been yellowing we should have been yellowing you should have been yellowing they should have been yellowing

Negation

Simple form	V-ing form
I should not yellow you should not yellow he should not yellow we should not yellow you should not yellow they should not yellow	I should not be yellowing you should not be yellowing he should not be yellowing we should not be yellowing you should not be yellowing they should not be yellowing
Perfect	V-ing perfect
I should not have yellowed you should not have yellowed he should not have yellowed we should not have yellowed you should not have yellowed they should not have yellowed	I should not have been yellowing you should not have been yellowing he should not have been yellowing we should not have been yellowing you should not have been yellowing they should not have been yellowing

Interrogative form

Simple form	V-ing form
should I yellow? should you yellow? should he yellow? should we yellow? should you yellow? should they yellow?	should I be yellowing? should you be yellowing? should he be yellowing? should we be yellowing? should you be yellowing? should they be yellowing?
Perfect	V-ing perfect
should I have yellowed? should you have yellowed? should he have yellowed? should we have yellowed? should you have yellowed? should they have yellowed?	should I have been yellowing? should you have been yellowing? should he have been yellowing? should we have been yellowing? should you have been yellowing? should they have been yellowing?

Interro-negative form

Simple form	V-ing form
should I not yellow? should you not yellow? should he not yellow? should we not yellow? should you not yellow? should they not yellow?	should I not be yellowing? should you not be yellowing? should he not be yellowing? should we not be yellowing? should you not be yellowing? should they not be yellowing?
Perfect	V-ing perfect
should I not have yellowed? should you not have yellowed? should he not have yellowed? should we not have yellowed? should you not have yellowed? should they not have yellowed?	should I not have been yellowing? should you not have been yellowing? should he not have been yellowing? should we not have been yellowing? should you not have been yellowing? should they not have been yellowing?