I could accentuate you could accentuate he could accentuate we could accentuate you could accentuate they could accentuate
V-ing form
I could be accentuating you could be accentuating he could be accentuating we could be accentuating you could be accentuating they could be accentuating
Perfect
I could have accentuated you could have accentuated he could have accentuated we could have accentuated you could have accentuated they could have accentuated
V-ing perfect
I could have been accentuating you could have been accentuating he could have been accentuating we could have been accentuating you could have been accentuating they could have been accentuating
Negation
Simple form
I couldn't accentuate you couldn't accentuate he couldn't accentuate we couldn't accentuate you couldn't accentuate they couldn't accentuate
V-ing form
I couldn't be accentuating you couldn't be accentuating he couldn't be accentuating we couldn't be accentuating you couldn't be accentuating they couldn't be accentuating
Perfect
I couldn't have accentuated you couldn't have accentuated he couldn't have accentuated we couldn't have accentuated you couldn't have accentuated they couldn't have accentuated
V-ing perfect
I couldn't have been accentuating you couldn't have been accentuating he couldn't have been accentuating we couldn't have been accentuating you couldn't have been accentuating they couldn't have been accentuating
Interrogative form
Simple form
could I accentuate? could you accentuate? could he accentuate? could we accentuate? could you accentuate? could they accentuate?
V-ing form
could I be accentuating? could you be accentuating? could he be accentuating? could we be accentuating? could you be accentuating? could they be accentuating?
Perfect
could I have accentuated? could you have accentuated? could he have accentuated? could we have accentuated? could you have accentuated? could they have accentuated?
V-ing perfect
could I have been accentuating? could you have been accentuating? could he have been accentuating? could we have been accentuating? could you have been accentuating? could they have been accentuating?
Interro-negative form
Simple form
couldn't I accentuate? couldn't you accentuate? couldn't he accentuate? couldn't we accentuate? couldn't you accentuate? couldn't they accentuate?
V-ing form
couldn't I be accentuating? couldn't you be accentuating? couldn't he be accentuating? couldn't we be accentuating? couldn't you be accentuating? couldn't they be accentuating?
Perfect
couldn't I have accentuated? couldn't you have accentuated? couldn't he have accentuated? couldn't we have accentuated? couldn't you have accentuated? couldn't they have accentuated?
V-ing perfect
couldn't I have been accentuating? couldn't you have been accentuating? couldn't he have been accentuating? couldn't we have been accentuating? couldn't you have been accentuating? couldn't they have been accentuating?