I can motorbike you can motorbike she can motorbike we can motorbike you can motorbike they can motorbike
V-ing form
I can be motorbiking you can be motorbiking she can be motorbiking we can be motorbiking you can be motorbiking they can be motorbiking
Perfect
I can have motorbiked you can have motorbiked she can have motorbiked we can have motorbiked you can have motorbiked they can have motorbiked
V-ing perfect
I can have been motorbiking you can have been motorbiking she can have been motorbiking we can have been motorbiking you can have been motorbiking they can have been motorbiking
Negation
Simple form
I can't motorbike you can't motorbike she can't motorbike we can't motorbike you can't motorbike they can't motorbike
V-ing form
I can't be motorbiking you can't be motorbiking she can't be motorbiking we can't be motorbiking you can't be motorbiking they can't be motorbiking
Perfect
I can't have motorbiked you can't have motorbiked she can't have motorbiked we can't have motorbiked you can't have motorbiked they can't have motorbiked
V-ing perfect
I can't have been motorbiking you can't have been motorbiking she can't have been motorbiking we can't have been motorbiking you can't have been motorbiking they can't have been motorbiking
Interrogative form
Simple form
can I motorbike? can you motorbike? can she motorbike? can we motorbike? can you motorbike? can they motorbike?
V-ing form
can I be motorbiking? can you be motorbiking? can she be motorbiking? can we be motorbiking? can you be motorbiking? can they be motorbiking?
Perfect
can I have motorbiked? can you have motorbiked? can she have motorbiked? can we have motorbiked? can you have motorbiked? can they have motorbiked?
V-ing perfect
can I have been motorbiking? can you have been motorbiking? can she have been motorbiking? can we have been motorbiking? can you have been motorbiking? can they have been motorbiking?
Interro-negative form
Simple form
can't I motorbike? can't you motorbike? can't she motorbike? can't we motorbike? can't you motorbike? can't they motorbike?
V-ing form
can't I be motorbiking? can't you be motorbiking? can't she be motorbiking? can't we be motorbiking? can't you be motorbiking? can't they be motorbiking?
Perfect
can't I have motorbiked? can't you have motorbiked? can't she have motorbiked? can't we have motorbiked? can't you have motorbiked? can't they have motorbiked?
V-ing perfect
can't I have been motorbiking? can't you have been motorbiking? can't she have been motorbiking? can't we have been motorbiking? can't you have been motorbiking? can't they have been motorbiking?