English verb conjugation
COULD MONITOR

Regular verb: monitor - monitored - monitored

Affirmation

Simple form	V-ing form
I could monitor you could monitor she could monitor we could monitor you could monitor they could monitor	I could be monitoring you could be monitoring she could be monitoring we could be monitoring you could be monitoring they could be monitoring
Perfect	V-ing perfect
I could have monitored you could have monitored she could have monitored we could have monitored you could have monitored they could have monitored	I could have been monitoring you could have been monitoring she could have been monitoring we could have been monitoring you could have been monitoring they could have been monitoring

Negation

Simple form	V-ing form
I couldn't monitor you couldn't monitor she couldn't monitor we couldn't monitor you couldn't monitor they couldn't monitor	I couldn't be monitoring you couldn't be monitoring she couldn't be monitoring we couldn't be monitoring you couldn't be monitoring they couldn't be monitoring
Perfect	V-ing perfect
I couldn't have monitored you couldn't have monitored she couldn't have monitored we couldn't have monitored you couldn't have monitored they couldn't have monitored	I couldn't have been monitoring you couldn't have been monitoring she couldn't have been monitoring we couldn't have been monitoring you couldn't have been monitoring they couldn't have been monitoring

Interrogative form

Simple form	V-ing form
could I monitor? could you monitor? could she monitor? could we monitor? could you monitor? could they monitor?	could I be monitoring? could you be monitoring? could she be monitoring? could we be monitoring? could you be monitoring? could they be monitoring?
Perfect	V-ing perfect
could I have monitored? could you have monitored? could she have monitored? could we have monitored? could you have monitored? could they have monitored?	could I have been monitoring? could you have been monitoring? could she have been monitoring? could we have been monitoring? could you have been monitoring? could they have been monitoring?

Interro-negative form

Simple form	V-ing form
couldn't I monitor? couldn't you monitor? couldn't she monitor? couldn't we monitor? couldn't you monitor? couldn't they monitor?	couldn't I be monitoring? couldn't you be monitoring? couldn't she be monitoring? couldn't we be monitoring? couldn't you be monitoring? couldn't they be monitoring?
Perfect	V-ing perfect
couldn't I have monitored? couldn't you have monitored? couldn't she have monitored? couldn't we have monitored? couldn't you have monitored? couldn't they have monitored?	couldn't I have been monitoring? couldn't you have been monitoring? couldn't she have been monitoring? couldn't we have been monitoring? couldn't you have been monitoring? couldn't they have been monitoring?