I can draught-proof you can draught-proof he can draught-proof we can draught-proof you can draught-proof they can draught-proof
Forme en V-ing
I can be draught-proofing you can be draught-proofing he can be draught-proofing we can be draught-proofing you can be draught-proofing they can be draught-proofing
Perfect
I can have draught-proofed you can have draught-proofed he can have draught-proofed we can have draught-proofed you can have draught-proofed they can have draught-proofed
Perfect en V-ing
I can have been draught-proofing you can have been draught-proofing he can have been draught-proofing we can have been draught-proofing you can have been draught-proofing they can have been draught-proofing
Négation
Forme simple
I cannot draught-proof you cannot draught-proof he cannot draught-proof we cannot draught-proof you cannot draught-proof they cannot draught-proof
Forme en V-ing
I cannot be draught-proofing you cannot be draught-proofing he cannot be draught-proofing we cannot be draught-proofing you cannot be draught-proofing they cannot be draught-proofing
Perfect
I cannot have draught-proofed you cannot have draught-proofed he cannot have draught-proofed we cannot have draught-proofed you cannot have draught-proofed they cannot have draught-proofed
Perfect en V-ing
I cannot have been draught-proofing you cannot have been draught-proofing he cannot have been draught-proofing we cannot have been draught-proofing you cannot have been draught-proofing they cannot have been draught-proofing
Forme interrogative
Forme simple
can I draught-proof? can you draught-proof? can he draught-proof? can we draught-proof? can you draught-proof? can they draught-proof?
Forme en V-ing
can I be draught-proofing? can you be draught-proofing? can he be draught-proofing? can we be draught-proofing? can you be draught-proofing? can they be draught-proofing?
Perfect
can I have draught-proofed? can you have draught-proofed? can he have draught-proofed? can we have draught-proofed? can you have draught-proofed? can they have draught-proofed?
Perfect en V-ing
can I have been draught-proofing? can you have been draught-proofing? can he have been draught-proofing? can we have been draught-proofing? can you have been draught-proofing? can they have been draught-proofing?
Forme interro-négative
Forme simple
can I not draught-proof? can you not draught-proof? can he not draught-proof? can we not draught-proof? can you not draught-proof? can they not draught-proof?
Forme en V-ing
can I not be draught-proofing? can you not be draught-proofing? can he not be draught-proofing? can we not be draught-proofing? can you not be draught-proofing? can they not be draught-proofing?
Perfect
can I not have draught-proofed? can you not have draught-proofed? can he not have draught-proofed? can we not have draught-proofed? can you not have draught-proofed? can they not have draught-proofed?
Perfect en V-ing
can I not have been draught-proofing? can you not have been draught-proofing? can he not have been draught-proofing? can we not have been draught-proofing? can you not have been draught-proofing? can they not have been draught-proofing?