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