I'd be recommending you'd be recommending he'd be recommending we'd be recommending you'd be recommending they'd be recommending
Perfect
I should've recommended you should've recommended he should've recommended we should've recommended you should've recommended they should've recommended
V-ing perfect
I should've been recommending you should've been recommending he should've been recommending we should've been recommending you should've been recommending they should've been recommending
Negation
Simple form
I shouldn't recommend you shouldn't recommend he shouldn't recommend we shouldn't recommend you shouldn't recommend they shouldn't recommend
V-ing form
I shouldn't be recommending you shouldn't be recommending he shouldn't be recommending we shouldn't be recommending you shouldn't be recommending they shouldn't be recommending
Perfect
I shouldn't have recommended you shouldn't have recommended he shouldn't have recommended we shouldn't have recommended you shouldn't have recommended they shouldn't have recommended
V-ing perfect
I shouldn't have been recommending you shouldn't have been recommending he shouldn't have been recommending we shouldn't have been recommending you shouldn't have been recommending they shouldn't have been recommending
Interrogative form
Simple form
should I recommend? should you recommend? should he recommend? should we recommend? should you recommend? should they recommend?
V-ing form
should I be recommending? should you be recommending? should he be recommending? should we be recommending? should you be recommending? should they be recommending?
Perfect
should I have recommended? should you have recommended? should he have recommended? should we have recommended? should you have recommended? should they have recommended?
V-ing perfect
should I have been recommending? should you have been recommending? should he have been recommending? should we have been recommending? should you have been recommending? should they have been recommending?
Interro-negative form
Simple form
shouldn't I recommend? shouldn't you recommend? shouldn't he recommend? shouldn't we recommend? shouldn't you recommend? shouldn't they recommend?
V-ing form
shouldn't I be recommending? shouldn't you be recommending? shouldn't he be recommending? shouldn't we be recommending? shouldn't you be recommending? shouldn't they be recommending?
Perfect
shouldn't I have recommended? shouldn't you have recommended? shouldn't he have recommended? shouldn't we have recommended? shouldn't you have recommended? shouldn't they have recommended?
V-ing perfect
shouldn't I have been recommending? shouldn't you have been recommending? shouldn't he have been recommending? shouldn't we have been recommending? shouldn't you have been recommending? shouldn't they have been recommending?