Regular verb: yellow - yellowed - yellowed
Simple form | V-ing form |
I could yellow you could yellow she could yellow we could yellow you could yellow they could yellow | I could be yellowing you could be yellowing she could be yellowing we could be yellowing you could be yellowing they could be yellowing |
Perfect | V-ing perfect |
I could have yellowed you could have yellowed she could have yellowed we could have yellowed you could have yellowed they could have yellowed | I could have been yellowing you could have been yellowing she could have been yellowing we could have been yellowing you could have been yellowing they could have been yellowing |
Simple form | V-ing form |
I couldn't yellow you couldn't yellow she couldn't yellow we couldn't yellow you couldn't yellow they couldn't yellow | I couldn't be yellowing you couldn't be yellowing she couldn't be yellowing we couldn't be yellowing you couldn't be yellowing they couldn't be yellowing |
Perfect | V-ing perfect |
I couldn't have yellowed you couldn't have yellowed she couldn't have yellowed we couldn't have yellowed you couldn't have yellowed they couldn't have yellowed | I couldn't have been yellowing you couldn't have been yellowing she couldn't have been yellowing we couldn't have been yellowing you couldn't have been yellowing they couldn't have been yellowing |
Simple form | V-ing form |
could I yellow? could you yellow? could she yellow? could we yellow? could you yellow? could they yellow? | could I be yellowing? could you be yellowing? could she be yellowing? could we be yellowing? could you be yellowing? could they be yellowing? |
Perfect | V-ing perfect |
could I have yellowed? could you have yellowed? could she have yellowed? could we have yellowed? could you have yellowed? could they have yellowed? | could I have been yellowing? could you have been yellowing? could she have been yellowing? could we have been yellowing? could you have been yellowing? could they have been yellowing? |
Simple form | V-ing form |
couldn't I yellow? couldn't you yellow? couldn't she yellow? couldn't we yellow? couldn't you yellow? couldn't they yellow? | couldn't I be yellowing? couldn't you be yellowing? couldn't she be yellowing? couldn't we be yellowing? couldn't you be yellowing? couldn't they be yellowing? |
Perfect | V-ing perfect |
couldn't I have yellowed? couldn't you have yellowed? couldn't she have yellowed? couldn't we have yellowed? couldn't you have yellowed? couldn't they have yellowed? | couldn't I have been yellowing? couldn't you have been yellowing? couldn't she have been yellowing? couldn't we have been yellowing? couldn't you have been yellowing? couldn't they have been yellowing? |