I can gasify you can gasify he can gasify we can gasify you can gasify they can gasify
Forma com V-ing
I can be gasifying you can be gasifying he can be gasifying we can be gasifying you can be gasifying they can be gasifying
Perfeito
I can have gasified you can have gasified he can have gasified we can have gasified you can have gasified they can have gasified
Perfeito com V-ing
I can have been gasifying you can have been gasifying he can have been gasifying we can have been gasifying you can have been gasifying they can have been gasifying
Negação
Forma simple
I can't gasify you can't gasify he can't gasify we can't gasify you can't gasify they can't gasify
Forma com V-ing
I can't be gasifying you can't be gasifying he can't be gasifying we can't be gasifying you can't be gasifying they can't be gasifying
Perfeito
I can't have gasified you can't have gasified he can't have gasified we can't have gasified you can't have gasified they can't have gasified
Perfeito com V-ing
I can't have been gasifying you can't have been gasifying he can't have been gasifying we can't have been gasifying you can't have been gasifying they can't have been gasifying
Forma interrogativa
Forma simple
can I gasify? can you gasify? can he gasify? can we gasify? can you gasify? can they gasify?
Forma com V-ing
can I be gasifying? can you be gasifying? can he be gasifying? can we be gasifying? can you be gasifying? can they be gasifying?
Perfeito
can I have gasified? can you have gasified? can he have gasified? can we have gasified? can you have gasified? can they have gasified?
Perfeito com V-ing
can I have been gasifying? can you have been gasifying? can he have been gasifying? can we have been gasifying? can you have been gasifying? can they have been gasifying?
Forma interro-Negação
Forma simple
can't I gasify? can't you gasify? can't he gasify? can't we gasify? can't you gasify? can't they gasify?
Forma com V-ing
can't I be gasifying? can't you be gasifying? can't he be gasifying? can't we be gasifying? can't you be gasifying? can't they be gasifying?
Perfeito
can't I have gasified? can't you have gasified? can't he have gasified? can't we have gasified? can't you have gasified? can't they have gasified?
Perfeito com V-ing
can't I have been gasifying? can't you have been gasifying? can't he have been gasifying? can't we have been gasifying? can't you have been gasifying? can't they have been gasifying?