English verb conjugation
CAN YELLOW

Regular verb: yellow - yellowed - yellowed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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