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