English verb conjugation
COULD TINT

Regular verb: tint - tinted - tinted

Affirmation

Simple form	V-ing form
I could tint you could tint he could tint we could tint you could tint they could tint	I could be tinting you could be tinting he could be tinting we could be tinting you could be tinting they could be tinting
Perfect	V-ing perfect
I could have tinted you could have tinted he could have tinted we could have tinted you could have tinted they could have tinted	I could have been tinting you could have been tinting he could have been tinting we could have been tinting you could have been tinting they could have been tinting

Negation

Simple form	V-ing form
I couldn't tint you couldn't tint he couldn't tint we couldn't tint you couldn't tint they couldn't tint	I couldn't be tinting you couldn't be tinting he couldn't be tinting we couldn't be tinting you couldn't be tinting they couldn't be tinting
Perfect	V-ing perfect
I couldn't have tinted you couldn't have tinted he couldn't have tinted we couldn't have tinted you couldn't have tinted they couldn't have tinted	I couldn't have been tinting you couldn't have been tinting he couldn't have been tinting we couldn't have been tinting you couldn't have been tinting they couldn't have been tinting

Interrogative form

Simple form	V-ing form
could I tint? could you tint? could he tint? could we tint? could you tint? could they tint?	could I be tinting? could you be tinting? could he be tinting? could we be tinting? could you be tinting? could they be tinting?
Perfect	V-ing perfect
could I have tinted? could you have tinted? could he have tinted? could we have tinted? could you have tinted? could they have tinted?	could I have been tinting? could you have been tinting? could he have been tinting? could we have been tinting? could you have been tinting? could they have been tinting?

Interro-negative form

Simple form	V-ing form
couldn't I tint? couldn't you tint? couldn't he tint? couldn't we tint? couldn't you tint? couldn't they tint?	couldn't I be tinting? couldn't you be tinting? couldn't he be tinting? couldn't we be tinting? couldn't you be tinting? couldn't they be tinting?
Perfect	V-ing perfect
couldn't I have tinted? couldn't you have tinted? couldn't he have tinted? couldn't we have tinted? couldn't you have tinted? couldn't they have tinted?	couldn't I have been tinting? couldn't you have been tinting? couldn't he have been tinting? couldn't we have been tinting? couldn't you have been tinting? couldn't they have been tinting?