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