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