I can tinkle you can tinkle she can tinkle we can tinkle you can tinkle they can tinkle
V-ing form
I can be tinkling you can be tinkling she can be tinkling we can be tinkling you can be tinkling they can be tinkling
Perfect
I can have tinkled you can have tinkled she can have tinkled we can have tinkled you can have tinkled they can have tinkled
V-ing perfect
I can have been tinkling you can have been tinkling she can have been tinkling we can have been tinkling you can have been tinkling they can have been tinkling
Negation
Simple form
I can't tinkle you can't tinkle she can't tinkle we can't tinkle you can't tinkle they can't tinkle
V-ing form
I can't be tinkling you can't be tinkling she can't be tinkling we can't be tinkling you can't be tinkling they can't be tinkling
Perfect
I can't have tinkled you can't have tinkled she can't have tinkled we can't have tinkled you can't have tinkled they can't have tinkled
V-ing perfect
I can't have been tinkling you can't have been tinkling she can't have been tinkling we can't have been tinkling you can't have been tinkling they can't have been tinkling
Interrogative form
Simple form
can I tinkle? can you tinkle? can she tinkle? can we tinkle? can you tinkle? can they tinkle?
V-ing form
can I be tinkling? can you be tinkling? can she be tinkling? can we be tinkling? can you be tinkling? can they be tinkling?
Perfect
can I have tinkled? can you have tinkled? can she have tinkled? can we have tinkled? can you have tinkled? can they have tinkled?
V-ing perfect
can I have been tinkling? can you have been tinkling? can she have been tinkling? can we have been tinkling? can you have been tinkling? can they have been tinkling?
Interro-negative form
Simple form
can't I tinkle? can't you tinkle? can't she tinkle? can't we tinkle? can't you tinkle? can't they tinkle?
V-ing form
can't I be tinkling? can't you be tinkling? can't she be tinkling? can't we be tinkling? can't you be tinkling? can't they be tinkling?
Perfect
can't I have tinkled? can't you have tinkled? can't she have tinkled? can't we have tinkled? can't you have tinkled? can't they have tinkled?
V-ing perfect
can't I have been tinkling? can't you have been tinkling? can't she have been tinkling? can't we have been tinkling? can't you have been tinkling? can't they have been tinkling?