I could bundle you could bundle she could bundle we could bundle you could bundle they could bundle
V-ing form
I could be bundling you could be bundling she could be bundling we could be bundling you could be bundling they could be bundling
Perfect
I could have bundled you could have bundled she could have bundled we could have bundled you could have bundled they could have bundled
V-ing perfect
I could have been bundling you could have been bundling she could have been bundling we could have been bundling you could have been bundling they could have been bundling
Negation
Simple form
I couldn't bundle you couldn't bundle she couldn't bundle we couldn't bundle you couldn't bundle they couldn't bundle
V-ing form
I couldn't be bundling you couldn't be bundling she couldn't be bundling we couldn't be bundling you couldn't be bundling they couldn't be bundling
Perfect
I couldn't have bundled you couldn't have bundled she couldn't have bundled we couldn't have bundled you couldn't have bundled they couldn't have bundled
V-ing perfect
I couldn't have been bundling you couldn't have been bundling she couldn't have been bundling we couldn't have been bundling you couldn't have been bundling they couldn't have been bundling
Interrogative form
Simple form
could I bundle? could you bundle? could she bundle? could we bundle? could you bundle? could they bundle?
V-ing form
could I be bundling? could you be bundling? could she be bundling? could we be bundling? could you be bundling? could they be bundling?
Perfect
could I have bundled? could you have bundled? could she have bundled? could we have bundled? could you have bundled? could they have bundled?
V-ing perfect
could I have been bundling? could you have been bundling? could she have been bundling? could we have been bundling? could you have been bundling? could they have been bundling?
Interro-negative form
Simple form
couldn't I bundle? couldn't you bundle? couldn't she bundle? couldn't we bundle? couldn't you bundle? couldn't they bundle?
V-ing form
couldn't I be bundling? couldn't you be bundling? couldn't she be bundling? couldn't we be bundling? couldn't you be bundling? couldn't they be bundling?
Perfect
couldn't I have bundled? couldn't you have bundled? couldn't she have bundled? couldn't we have bundled? couldn't you have bundled? couldn't they have bundled?
V-ing perfect
couldn't I have been bundling? couldn't you have been bundling? couldn't she have been bundling? couldn't we have been bundling? couldn't you have been bundling? couldn't they have been bundling?