I could mystify you could mystify he could mystify we could mystify you could mystify they could mystify
Forma con V-ing
I could be mystifying you could be mystifying he could be mystifying we could be mystifying you could be mystifying they could be mystifying
Perfetto
I could have mystified you could have mystified he could have mystified we could have mystified you could have mystified they could have mystified
Perfetto con V-ing
I could have been mystifying you could have been mystifying he could have been mystifying we could have been mystifying you could have been mystifying they could have been mystifying
Negazione
Forma semplice
I couldn't mystify you couldn't mystify he couldn't mystify we couldn't mystify you couldn't mystify they couldn't mystify
Forma con V-ing
I couldn't be mystifying you couldn't be mystifying he couldn't be mystifying we couldn't be mystifying you couldn't be mystifying they couldn't be mystifying
Perfetto
I couldn't have mystified you couldn't have mystified he couldn't have mystified we couldn't have mystified you couldn't have mystified they couldn't have mystified
Perfetto con V-ing
I couldn't have been mystifying you couldn't have been mystifying he couldn't have been mystifying we couldn't have been mystifying you couldn't have been mystifying they couldn't have been mystifying
Forma interrogativa
Forma semplice
could I mystify? could you mystify? could he mystify? could we mystify? could you mystify? could they mystify?
Forma con V-ing
could I be mystifying? could you be mystifying? could he be mystifying? could we be mystifying? could you be mystifying? could they be mystifying?
Perfetto
could I have mystified? could you have mystified? could he have mystified? could we have mystified? could you have mystified? could they have mystified?
Perfetto con V-ing
could I have been mystifying? could you have been mystifying? could he have been mystifying? could we have been mystifying? could you have been mystifying? could they have been mystifying?
Forma interro-negativa
Forma semplice
couldn't I mystify? couldn't you mystify? couldn't he mystify? couldn't we mystify? couldn't you mystify? couldn't they mystify?
Forma con V-ing
couldn't I be mystifying? couldn't you be mystifying? couldn't he be mystifying? couldn't we be mystifying? couldn't you be mystifying? couldn't they be mystifying?
Perfetto
couldn't I have mystified? couldn't you have mystified? couldn't he have mystified? couldn't we have mystified? couldn't you have mystified? couldn't they have mystified?
Perfetto con V-ing
couldn't I have been mystifying? couldn't you have been mystifying? couldn't he have been mystifying? couldn't we have been mystifying? couldn't you have been mystifying? couldn't they have been mystifying?