Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could monitor monitor you could monitor monitor she could monitor monitor we could monitor monitor you could monitor monitor they could monitor monitor
V-ing form
I could be monitor monitoring you could be monitor monitoring she could be monitor monitoring we could be monitor monitoring you could be monitor monitoring they could be monitor monitoring
Perfect
I could have monitor monitored you could have monitor monitored she could have monitor monitored we could have monitor monitored you could have monitor monitored they could have monitor monitored
V-ing perfect
I could have been monitor monitoring you could have been monitor monitoring she could have been monitor monitoring we could have been monitor monitoring you could have been monitor monitoring they could have been monitor monitoring
Negation
Simple form
I couldn't monitor monitor you couldn't monitor monitor she couldn't monitor monitor we couldn't monitor monitor you couldn't monitor monitor they couldn't monitor monitor
V-ing form
I couldn't be monitor monitoring you couldn't be monitor monitoring she couldn't be monitor monitoring we couldn't be monitor monitoring you couldn't be monitor monitoring they couldn't be monitor monitoring
Perfect
I couldn't have monitor monitored you couldn't have monitor monitored she couldn't have monitor monitored we couldn't have monitor monitored you couldn't have monitor monitored they couldn't have monitor monitored
V-ing perfect
I couldn't have been monitor monitoring you couldn't have been monitor monitoring she couldn't have been monitor monitoring we couldn't have been monitor monitoring you couldn't have been monitor monitoring they couldn't have been monitor monitoring
Interrogative form
Simple form
could I monitor monitor? could you monitor monitor? could she monitor monitor? could we monitor monitor? could you monitor monitor? could they monitor monitor?
V-ing form
could I be monitor monitoring? could you be monitor monitoring? could she be monitor monitoring? could we be monitor monitoring? could you be monitor monitoring? could they be monitor monitoring?
Perfect
could I have monitor monitored? could you have monitor monitored? could she have monitor monitored? could we have monitor monitored? could you have monitor monitored? could they have monitor monitored?
V-ing perfect
could I have been monitor monitoring? could you have been monitor monitoring? could she have been monitor monitoring? could we have been monitor monitoring? could you have been monitor monitoring? could they have been monitor monitoring?
Interro-negative form
Simple form
couldn't I monitor monitor? couldn't you monitor monitor? couldn't she monitor monitor? couldn't we monitor monitor? couldn't you monitor monitor? couldn't they monitor monitor?
V-ing form
couldn't I be monitor monitoring? couldn't you be monitor monitoring? couldn't she be monitor monitoring? couldn't we be monitor monitoring? couldn't you be monitor monitoring? couldn't they be monitor monitoring?
Perfect
couldn't I have monitor monitored? couldn't you have monitor monitored? couldn't she have monitor monitored? couldn't we have monitor monitored? couldn't you have monitor monitored? couldn't they have monitor monitored?
V-ing perfect
couldn't I have been monitor monitoring? couldn't you have been monitor monitoring? couldn't she have been monitor monitoring? couldn't we have been monitor monitoring? couldn't you have been monitor monitoring? couldn't they have been monitor monitoring?