should navigate
Regular verb: navigate - navigated- navigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should navigate
you should navigate
she should navigate
we should navigate
you should navigate
they should navigate 	I should be navigating
you should be navigating
she should be navigating
we should be navigating
you should be navigating
they should be navigating	I should have navigated
you should have navigated
she should have navigated
we should have navigated
you should have navigated
they should have navigated	I should have been navigating
you should have been navigating
she should have been navigating
we should have been navigating
you should have been navigating
they should have been navigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not navigate
you should not navigate
she should not navigate
we should not navigate
you should not navigate
they should not navigate 	I should not be navigating
you should not be navigating
she should not be navigating
we should not be navigating
you should not be navigating
they should not be navigating	I should not have navigated
you should not have navigated
she should not have navigated
we should not have navigated
you should not have navigated
they should not have navigated	I should not have been navigating
you should not have been navigating
she should not have been navigating
we should not have been navigating
you should not have been navigating
they should not have been navigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I navigate?
should you navigate?
should she navigate?
should we navigate?
should you navigate?
should they navigate? 	should I be navigating?
should you be navigating?
should she be navigating?
should we be navigating?
should you be navigating?
should they be navigating? 	should I have navigated?
should you have navigated?
should she have navigated?
should we have navigated?
should you have navigated?
should they have navigated? 	should I have been navigating?
should you have been navigating?
should she have been navigating?
should we have been navigating?
should you have been navigating?
should they have been navigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not navigate?
should you not navigate?
should she not navigate?
should we not navigate?
should you not navigate?
should they not navigate? 	should I not be navigating?
should you not be navigating?
should she not be navigating?
should we not be navigating?
should you not be navigating?
should they not be navigating? 	should I not have navigated?
should you not have navigated?
should she not have navigated?
should we not have navigated?
should you not have navigated?
should they not have navigated? 	should I not have been navigating?
should you not have been navigating?
should she not have been navigating?
should we not have been navigating?
should you not have been navigating?
should they not have been navigating?