
Regular verb: escalate - escalated - escalated
Simple form | V-ing form | 
| I'd escalate you'd escalate he'd escalate we'd escalate you'd escalate they'd escalate  | I'd be escalating you'd be escalating he'd be escalating we'd be escalating you'd be escalating they'd be escalating  | 
Perfect | V-ing perfect | 
| I should've escalated you should've escalated he should've escalated we should've escalated you should've escalated they should've escalated  | I should've been escalating you should've been escalating he should've been escalating we should've been escalating you should've been escalating they should've been escalating  | 
Simple form | V-ing form | 
| I shouldn't escalate you shouldn't escalate he shouldn't escalate we shouldn't escalate you shouldn't escalate they shouldn't escalate  | I shouldn't be escalating you shouldn't be escalating he shouldn't be escalating we shouldn't be escalating you shouldn't be escalating they shouldn't be escalating  | 
Perfect | V-ing perfect | 
| I shouldn't have escalated you shouldn't have escalated he shouldn't have escalated we shouldn't have escalated you shouldn't have escalated they shouldn't have escalated  | I shouldn't have been escalating you shouldn't have been escalating he shouldn't have been escalating we shouldn't have been escalating you shouldn't have been escalating they shouldn't have been escalating  | 
Simple form | V-ing form | 
| should I escalate? should you escalate? should he escalate? should we escalate? should you escalate? should they escalate?  | should I be escalating? should you be escalating? should he be escalating? should we be escalating? should you be escalating? should they be escalating?  | 
Perfect | V-ing perfect | 
| should I have escalated? should you have escalated? should he have escalated? should we have escalated? should you have escalated? should they have escalated?  | should I have been escalating? should you have been escalating? should he have been escalating? should we have been escalating? should you have been escalating? should they have been escalating?  | 
Simple form | V-ing form | 
| shouldn't I escalate? shouldn't you escalate? shouldn't he escalate? shouldn't we escalate? shouldn't you escalate? shouldn't they escalate?  | shouldn't I be escalating? shouldn't you be escalating? shouldn't he be escalating? shouldn't we be escalating? shouldn't you be escalating? shouldn't they be escalating?  | 
Perfect | V-ing perfect | 
| shouldn't I have escalated? shouldn't you have escalated? shouldn't he have escalated? shouldn't we have escalated? shouldn't you have escalated? shouldn't they have escalated?  | shouldn't I have been escalating? shouldn't you have been escalating? shouldn't he have been escalating? shouldn't we have been escalating? shouldn't you have been escalating? shouldn't they have been escalating?  |