English verb conjugation
COULD KOWTOW

Regular verb: kowtow - kowtowed - kowtowed

Affirmation

Simple form	V-ing form
I could kowtow you could kowtow he could kowtow we could kowtow you could kowtow they could kowtow	I could be kowtowing you could be kowtowing he could be kowtowing we could be kowtowing you could be kowtowing they could be kowtowing
Perfect	V-ing perfect
I could have kowtowed you could have kowtowed he could have kowtowed we could have kowtowed you could have kowtowed they could have kowtowed	I could have been kowtowing you could have been kowtowing he could have been kowtowing we could have been kowtowing you could have been kowtowing they could have been kowtowing

Negation

Simple form	V-ing form
I couldn't kowtow you couldn't kowtow he couldn't kowtow we couldn't kowtow you couldn't kowtow they couldn't kowtow	I couldn't be kowtowing you couldn't be kowtowing he couldn't be kowtowing we couldn't be kowtowing you couldn't be kowtowing they couldn't be kowtowing
Perfect	V-ing perfect
I couldn't have kowtowed you couldn't have kowtowed he couldn't have kowtowed we couldn't have kowtowed you couldn't have kowtowed they couldn't have kowtowed	I couldn't have been kowtowing you couldn't have been kowtowing he couldn't have been kowtowing we couldn't have been kowtowing you couldn't have been kowtowing they couldn't have been kowtowing

Interrogative form

Simple form	V-ing form
could I kowtow? could you kowtow? could he kowtow? could we kowtow? could you kowtow? could they kowtow?	could I be kowtowing? could you be kowtowing? could he be kowtowing? could we be kowtowing? could you be kowtowing? could they be kowtowing?
Perfect	V-ing perfect
could I have kowtowed? could you have kowtowed? could he have kowtowed? could we have kowtowed? could you have kowtowed? could they have kowtowed?	could I have been kowtowing? could you have been kowtowing? could he have been kowtowing? could we have been kowtowing? could you have been kowtowing? could they have been kowtowing?

Interro-negative form

Simple form	V-ing form
couldn't I kowtow? couldn't you kowtow? couldn't he kowtow? couldn't we kowtow? couldn't you kowtow? couldn't they kowtow?	couldn't I be kowtowing? couldn't you be kowtowing? couldn't he be kowtowing? couldn't we be kowtowing? couldn't you be kowtowing? couldn't they be kowtowing?
Perfect	V-ing perfect
couldn't I have kowtowed? couldn't you have kowtowed? couldn't he have kowtowed? couldn't we have kowtowed? couldn't you have kowtowed? couldn't they have kowtowed?	couldn't I have been kowtowing? couldn't you have been kowtowing? couldn't he have been kowtowing? couldn't we have been kowtowing? couldn't you have been kowtowing? couldn't they have been kowtowing?