I must gasify you must gasify she must gasify we must gasify you must gasify they must gasify
Forme en V-ing
I must be gasifying you must be gasifying she must be gasifying we must be gasifying you must be gasifying they must be gasifying
Perfect
I must have gasified you must have gasified she must have gasified we must have gasified you must have gasified they must have gasified
Perfect en V-ing
I must have been gasifying you must have been gasifying she must have been gasifying we must have been gasifying you must have been gasifying they must have been gasifying
Négation
Forme simple
I must not gasify you must not gasify she must not gasify we must not gasify you must not gasify they must not gasify
Forme en V-ing
I must not be gasifying you must not be gasifying she must not be gasifying we must not be gasifying you must not be gasifying they must not be gasifying
Perfect
I must not have gasified you must not have gasified she must not have gasified we must not have gasified you must not have gasified they must not have gasified
Perfect en V-ing
I must not have been gasifying you must not have been gasifying she must not have been gasifying we must not have been gasifying you must not have been gasifying they must not have been gasifying
Forme interrogative
Forme simple
must I gasify? must you gasify? must she gasify? must we gasify? must you gasify? must they gasify?
Forme en V-ing
must I be gasifying? must you be gasifying? must she be gasifying? must we be gasifying? must you be gasifying? must they be gasifying?
Perfect
must I have gasified? must you have gasified? must she have gasified? must we have gasified? must you have gasified? must they have gasified?
Perfect en V-ing
must I have been gasifying? must you have been gasifying? must she have been gasifying? must we have been gasifying? must you have been gasifying? must they have been gasifying?
Forme interro-négative
Forme simple
must I not gasify? must you not gasify? must she not gasify? must we not gasify? must you not gasify? must they not gasify?
Forme en V-ing
must I not be gasifying? must you not be gasifying? must she not be gasifying? must we not be gasifying? must you not be gasifying? must they not be gasifying?
Perfect
must I not have gasified? must you not have gasified? must she not have gasified? must we not have gasified? must you not have gasified? must they not have gasified?
Perfect en V-ing
must I not have been gasifying? must you not have been gasifying? must she not have been gasifying? must we not have been gasifying? must you not have been gasifying? must they not have been gasifying?