I can tambour you can tambour he can tambour we can tambour you can tambour they can tambour
V-ing form
I can be tambouring you can be tambouring he can be tambouring we can be tambouring you can be tambouring they can be tambouring
Perfect
I can have tamboured you can have tamboured he can have tamboured we can have tamboured you can have tamboured they can have tamboured
V-ing perfect
I can have been tambouring you can have been tambouring he can have been tambouring we can have been tambouring you can have been tambouring they can have been tambouring
Negation
Simple form
I cannot tambour you cannot tambour he cannot tambour we cannot tambour you cannot tambour they cannot tambour
V-ing form
I cannot be tambouring you cannot be tambouring he cannot be tambouring we cannot be tambouring you cannot be tambouring they cannot be tambouring
Perfect
I cannot have tamboured you cannot have tamboured he cannot have tamboured we cannot have tamboured you cannot have tamboured they cannot have tamboured
V-ing perfect
I cannot have been tambouring you cannot have been tambouring he cannot have been tambouring we cannot have been tambouring you cannot have been tambouring they cannot have been tambouring
Interrogative form
Simple form
can I tambour? can you tambour? can he tambour? can we tambour? can you tambour? can they tambour?
V-ing form
can I be tambouring? can you be tambouring? can he be tambouring? can we be tambouring? can you be tambouring? can they be tambouring?
Perfect
can I have tamboured? can you have tamboured? can he have tamboured? can we have tamboured? can you have tamboured? can they have tamboured?
V-ing perfect
can I have been tambouring? can you have been tambouring? can he have been tambouring? can we have been tambouring? can you have been tambouring? can they have been tambouring?
Interro-negative form
Simple form
can I not tambour? can you not tambour? can he not tambour? can we not tambour? can you not tambour? can they not tambour?
V-ing form
can I not be tambouring? can you not be tambouring? can he not be tambouring? can we not be tambouring? can you not be tambouring? can they not be tambouring?
Perfect
can I not have tamboured? can you not have tamboured? can he not have tamboured? can we not have tamboured? can you not have tamboured? can they not have tamboured?
V-ing perfect
can I not have been tambouring? can you not have been tambouring? can he not have been tambouring? can we not have been tambouring? can you not have been tambouring? can they not have been tambouring?