I'd be navigating you'd be navigating she'd be navigating we'd be navigating you'd be navigating they'd be navigating
Perfect
I should've navigated you should've navigated she should've navigated we should've navigated you should've navigated they should've navigated
V-ing perfect
I should've been navigating you should've been navigating she should've been navigating we should've been navigating you should've been navigating they should've been navigating
Negation
Simple form
I shouldn't navigate you shouldn't navigate she shouldn't navigate we shouldn't navigate you shouldn't navigate they shouldn't navigate
V-ing form
I shouldn't be navigating you shouldn't be navigating she shouldn't be navigating we shouldn't be navigating you shouldn't be navigating they shouldn't be navigating
Perfect
I shouldn't have navigated you shouldn't have navigated she shouldn't have navigated we shouldn't have navigated you shouldn't have navigated they shouldn't have navigated
V-ing perfect
I shouldn't have been navigating you shouldn't have been navigating she shouldn't have been navigating we shouldn't have been navigating you shouldn't have been navigating they shouldn't have been navigating
Interrogative form
Simple form
should I navigate? should you navigate? should she navigate? should we navigate? should you navigate? should they navigate?
V-ing form
should I be navigating? should you be navigating? should she be navigating? should we be navigating? should you be navigating? should they be navigating?
Perfect
should I have navigated? should you have navigated? should she have navigated? should we have navigated? should you have navigated? should they have navigated?
V-ing perfect
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
shouldn't I navigate? shouldn't you navigate? shouldn't she navigate? shouldn't we navigate? shouldn't you navigate? shouldn't they navigate?
V-ing form
shouldn't I be navigating? shouldn't you be navigating? shouldn't she be navigating? shouldn't we be navigating? shouldn't you be navigating? shouldn't they be navigating?
Perfect
shouldn't I have navigated? shouldn't you have navigated? shouldn't she have navigated? shouldn't we have navigated? shouldn't you have navigated? shouldn't they have navigated?
V-ing perfect
shouldn't I have been navigating? shouldn't you have been navigating? shouldn't she have been navigating? shouldn't we have been navigating? shouldn't you have been navigating? shouldn't they have been navigating?