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