Conjugaison du verbe anglais
COULD SMOOTHEN

Verbe régulier : smoothen - smoothened - smoothened

Affirmation

Forme simple	Forme en V-ing
I could smoothen you could smoothen she could smoothen we could smoothen you could smoothen they could smoothen	I could be smoothening you could be smoothening she could be smoothening we could be smoothening you could be smoothening they could be smoothening
Perfect	Perfect en V-ing
I could have smoothened you could have smoothened she could have smoothened we could have smoothened you could have smoothened they could have smoothened	I could have been smoothening you could have been smoothening she could have been smoothening we could have been smoothening you could have been smoothening they could have been smoothening

Négation

Forme simple	Forme en V-ing
I couldn't smoothen you couldn't smoothen she couldn't smoothen we couldn't smoothen you couldn't smoothen they couldn't smoothen	I couldn't be smoothening you couldn't be smoothening she couldn't be smoothening we couldn't be smoothening you couldn't be smoothening they couldn't be smoothening
Perfect	Perfect en V-ing
I couldn't have smoothened you couldn't have smoothened she couldn't have smoothened we couldn't have smoothened you couldn't have smoothened they couldn't have smoothened	I couldn't have been smoothening you couldn't have been smoothening she couldn't have been smoothening we couldn't have been smoothening you couldn't have been smoothening they couldn't have been smoothening

Forme interrogative

Forme simple	Forme en V-ing
could I smoothen? could you smoothen? could she smoothen? could we smoothen? could you smoothen? could they smoothen?	could I be smoothening? could you be smoothening? could she be smoothening? could we be smoothening? could you be smoothening? could they be smoothening?
Perfect	Perfect en V-ing
could I have smoothened? could you have smoothened? could she have smoothened? could we have smoothened? could you have smoothened? could they have smoothened?	could I have been smoothening? could you have been smoothening? could she have been smoothening? could we have been smoothening? could you have been smoothening? could they have been smoothening?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I smoothen? couldn't you smoothen? couldn't she smoothen? couldn't we smoothen? couldn't you smoothen? couldn't they smoothen?	couldn't I be smoothening? couldn't you be smoothening? couldn't she be smoothening? couldn't we be smoothening? couldn't you be smoothening? couldn't they be smoothening?
Perfect	Perfect en V-ing
couldn't I have smoothened? couldn't you have smoothened? couldn't she have smoothened? couldn't we have smoothened? couldn't you have smoothened? couldn't they have smoothened?	couldn't I have been smoothening? couldn't you have been smoothening? couldn't she have been smoothening? couldn't we have been smoothening? couldn't you have been smoothening? couldn't they have been smoothening?