English verb conjugation
COULD MONITOR

Regular verb: monitor - monitored - monitored

Affirmation

Simple form	V-ing form
I could monitor you could monitor he could monitor we could monitor you could monitor they could monitor	I could be monitoring you could be monitoring he 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 he 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 he 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 could not monitor you could not monitor he could not monitor we could not monitor you could not monitor they could not monitor	I could not be monitoring you could not be monitoring he could not be monitoring we could not be monitoring you could not be monitoring they could not be monitoring
Perfect	V-ing perfect
I could not have monitored you could not have monitored he could not have monitored we could not have monitored you could not have monitored they could not have monitored	I could not have been monitoring you could not have been monitoring he could not have been monitoring we could not have been monitoring you could not have been monitoring they could not have been monitoring

Interrogative form

Simple form	V-ing form
could I monitor? could you monitor? could he monitor? could we monitor? could you monitor? could they monitor?	could I be monitoring? could you be monitoring? could he 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 he 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 he 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
could I not monitor? could you not monitor? could he not monitor? could we not monitor? could you not monitor? could they not monitor?	could I not be monitoring? could you not be monitoring? could he not be monitoring? could we not be monitoring? could you not be monitoring? could they not be monitoring?
Perfect	V-ing perfect
could I not have monitored? could you not have monitored? could he not have monitored? could we not have monitored? could you not have monitored? could they not have monitored?	could I not have been monitoring? could you not have been monitoring? could he not have been monitoring? could we not have been monitoring? could you not have been monitoring? could they not have been monitoring?