I must gasify you must gasify he must gasify we must gasify you must gasify they must gasify
Forma con V-ing
I must be gasifying you must be gasifying he must be gasifying we must be gasifying you must be gasifying they must be gasifying
Perfetto
I must have gasified you must have gasified he must have gasified we must have gasified you must have gasified they must have gasified
Perfetto con V-ing
I must have been gasifying you must have been gasifying he must have been gasifying we must have been gasifying you must have been gasifying they must have been gasifying
Negazione
Forma semplice
I mustn't gasify you mustn't gasify he mustn't gasify we mustn't gasify you mustn't gasify they mustn't gasify
Forma con V-ing
I mustn't be gasifying you mustn't be gasifying he mustn't be gasifying we mustn't be gasifying you mustn't be gasifying they mustn't be gasifying
Perfetto
I mustn't have gasified you mustn't have gasified he mustn't have gasified we mustn't have gasified you mustn't have gasified they mustn't have gasified
Perfetto con V-ing
I mustn't have been gasifying you mustn't have been gasifying he mustn't have been gasifying we mustn't have been gasifying you mustn't have been gasifying they mustn't have been gasifying
Forma interrogativa
Forma semplice
must I gasify? must you gasify? must he gasify? must we gasify? must you gasify? must they gasify?
Forma con V-ing
must I be gasifying? must you be gasifying? must he be gasifying? must we be gasifying? must you be gasifying? must they be gasifying?
Perfetto
must I have gasified? must you have gasified? must he have gasified? must we have gasified? must you have gasified? must they have gasified?
Perfetto con V-ing
must I have been gasifying? must you have been gasifying? must he have been gasifying? must we have been gasifying? must you have been gasifying? must they have been gasifying?
Forma interro-negativa
Forma semplice
mustn't I gasify? mustn't you gasify? mustn't he gasify? mustn't we gasify? mustn't you gasify? mustn't they gasify?
Forma con V-ing
mustn't I be gasifying? mustn't you be gasifying? mustn't he be gasifying? mustn't we be gasifying? mustn't you be gasifying? mustn't they be gasifying?
Perfetto
mustn't I have gasified? mustn't you have gasified? mustn't he have gasified? mustn't we have gasified? mustn't you have gasified? mustn't they have gasified?
Perfetto con V-ing
mustn't I have been gasifying? mustn't you have been gasifying? mustn't he have been gasifying? mustn't we have been gasifying? mustn't you have been gasifying? mustn't they have been gasifying?