English verb conjugation
SHOULD YELLOW

Regular verb: yellow - yellowed - yellowed

Affirmation

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

Negation

Simple form	V-ing form
I shouldn't yellow you shouldn't yellow he shouldn't yellow we shouldn't yellow you shouldn't yellow they shouldn't yellow	I shouldn't be yellowing you shouldn't be yellowing he shouldn't be yellowing we shouldn't be yellowing you shouldn't be yellowing they shouldn't be yellowing
Perfect	V-ing perfect
I shouldn't have yellowed you shouldn't have yellowed he shouldn't have yellowed we shouldn't have yellowed you shouldn't have yellowed they shouldn't have yellowed	I shouldn't have been yellowing you shouldn't have been yellowing he shouldn't have been yellowing we shouldn't have been yellowing you shouldn't have been yellowing they shouldn't 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
shouldn't I yellow? shouldn't you yellow? shouldn't he yellow? shouldn't we yellow? shouldn't you yellow? shouldn't they yellow?	shouldn't I be yellowing? shouldn't you be yellowing? shouldn't he be yellowing? shouldn't we be yellowing? shouldn't you be yellowing? shouldn't they be yellowing?
Perfect	V-ing perfect
shouldn't I have yellowed? shouldn't you have yellowed? shouldn't he have yellowed? shouldn't we have yellowed? shouldn't you have yellowed? shouldn't they have yellowed?	shouldn't I have been yellowing? shouldn't you have been yellowing? shouldn't he have been yellowing? shouldn't we have been yellowing? shouldn't you have been yellowing? shouldn't they have been yellowing?