
Regular verb: recommend - recommended - recommended
Simple form | V-ing form | 
| I'd recommend you'd recommend she'd recommend we'd recommend you'd recommend they'd recommend  | I'd be recommending you'd be recommending she'd be recommending we'd be recommending you'd be recommending they'd be recommending  | 
Perfect | V-ing perfect | 
| I should've recommended you should've recommended she should've recommended we should've recommended you should've recommended they should've recommended  | I should've been recommending you should've been recommending she should've been recommending we should've been recommending you should've been recommending they should've been recommending  | 
Simple form | V-ing form | 
| I shouldn't recommend you shouldn't recommend she shouldn't recommend we shouldn't recommend you shouldn't recommend they shouldn't recommend  | I shouldn't be recommending you shouldn't be recommending she shouldn't be recommending we shouldn't be recommending you shouldn't be recommending they shouldn't be recommending  | 
Perfect | V-ing perfect | 
| I shouldn't have recommended you shouldn't have recommended she shouldn't have recommended we shouldn't have recommended you shouldn't have recommended they shouldn't have recommended  | I shouldn't have been recommending you shouldn't have been recommending she shouldn't have been recommending we shouldn't have been recommending you shouldn't have been recommending they shouldn't have been recommending  | 
Simple form | V-ing form | 
| should I recommend? should you recommend? should she recommend? should we recommend? should you recommend? should they recommend?  | should I be recommending? should you be recommending? should she be recommending? should we be recommending? should you be recommending? should they be recommending?  | 
Perfect | V-ing perfect | 
| should I have recommended? should you have recommended? should she have recommended? should we have recommended? should you have recommended? should they have recommended?  | should I have been recommending? should you have been recommending? should she have been recommending? should we have been recommending? should you have been recommending? should they have been recommending?  | 
Simple form | V-ing form | 
| shouldn't I recommend? shouldn't you recommend? shouldn't she recommend? shouldn't we recommend? shouldn't you recommend? shouldn't they recommend?  | shouldn't I be recommending? shouldn't you be recommending? shouldn't she be recommending? shouldn't we be recommending? shouldn't you be recommending? shouldn't they be recommending?  | 
Perfect | V-ing perfect | 
| shouldn't I have recommended? shouldn't you have recommended? shouldn't she have recommended? shouldn't we have recommended? shouldn't you have recommended? shouldn't they have recommended?  | shouldn't I have been recommending? shouldn't you have been recommending? shouldn't she have been recommending? shouldn't we have been recommending? shouldn't you have been recommending? shouldn't they have been recommending?  |