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