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