I can tinkle you can tinkle he can tinkle we can tinkle you can tinkle they can tinkle
V-ing form
I can be tinkling you can be tinkling he can be tinkling we can be tinkling you can be tinkling they can be tinkling
Perfect
I can have tinkled you can have tinkled he 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 he 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 he 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 he 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 he 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 he 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 he tinkle? can we tinkle? can you tinkle? can they tinkle?
V-ing form
can I be tinkling? can you be tinkling? can he be tinkling? can we be tinkling? can you be tinkling? can they be tinkling?
Perfect
can I have tinkled? can you have tinkled? can he 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 he 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 he 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 he 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 he 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 he have been tinkling? can't we have been tinkling? can't you have been tinkling? can't they have been tinkling?