English verb conjugation
COULD HINT

Regular verb: hint - hinted - hinted

Affirmation

Simple form	V-ing form
I could hint you could hint he could hint we could hint you could hint they could hint	I could be hinting you could be hinting he could be hinting we could be hinting you could be hinting they could be hinting
Perfect	V-ing perfect
I could have hinted you could have hinted he could have hinted we could have hinted you could have hinted they could have hinted	I could have been hinting you could have been hinting he could have been hinting we could have been hinting you could have been hinting they could have been hinting

Negation

Simple form	V-ing form
I couldn't hint you couldn't hint he couldn't hint we couldn't hint you couldn't hint they couldn't hint	I couldn't be hinting you couldn't be hinting he couldn't be hinting we couldn't be hinting you couldn't be hinting they couldn't be hinting
Perfect	V-ing perfect
I couldn't have hinted you couldn't have hinted he couldn't have hinted we couldn't have hinted you couldn't have hinted they couldn't have hinted	I couldn't have been hinting you couldn't have been hinting he couldn't have been hinting we couldn't have been hinting you couldn't have been hinting they couldn't have been hinting

Interrogative form

Simple form	V-ing form
could I hint? could you hint? could he hint? could we hint? could you hint? could they hint?	could I be hinting? could you be hinting? could he be hinting? could we be hinting? could you be hinting? could they be hinting?
Perfect	V-ing perfect
could I have hinted? could you have hinted? could he have hinted? could we have hinted? could you have hinted? could they have hinted?	could I have been hinting? could you have been hinting? could he have been hinting? could we have been hinting? could you have been hinting? could they have been hinting?

Interro-negative form

Simple form	V-ing form
couldn't I hint? couldn't you hint? couldn't he hint? couldn't we hint? couldn't you hint? couldn't they hint?	couldn't I be hinting? couldn't you be hinting? couldn't he be hinting? couldn't we be hinting? couldn't you be hinting? couldn't they be hinting?
Perfect	V-ing perfect
couldn't I have hinted? couldn't you have hinted? couldn't he have hinted? couldn't we have hinted? couldn't you have hinted? couldn't they have hinted?	couldn't I have been hinting? couldn't you have been hinting? couldn't he have been hinting? couldn't we have been hinting? couldn't you have been hinting? couldn't they have been hinting?