English verb conjugation
COULD UNSCRAMBLE

Regular verb: unscramble - unscrambled - unscrambled

Affirmation

Simple form	V-ing form
I could unscramble you could unscramble he could unscramble we could unscramble you could unscramble they could unscramble	I could be unscrambling you could be unscrambling he could be unscrambling we could be unscrambling you could be unscrambling they could be unscrambling
Perfect	V-ing perfect
I could have unscrambled you could have unscrambled he could have unscrambled we could have unscrambled you could have unscrambled they could have unscrambled	I could have been unscrambling you could have been unscrambling he could have been unscrambling we could have been unscrambling you could have been unscrambling they could have been unscrambling

Negation

Simple form	V-ing form
I couldn't unscramble you couldn't unscramble he couldn't unscramble we couldn't unscramble you couldn't unscramble they couldn't unscramble	I couldn't be unscrambling you couldn't be unscrambling he couldn't be unscrambling we couldn't be unscrambling you couldn't be unscrambling they couldn't be unscrambling
Perfect	V-ing perfect
I couldn't have unscrambled you couldn't have unscrambled he couldn't have unscrambled we couldn't have unscrambled you couldn't have unscrambled they couldn't have unscrambled	I couldn't have been unscrambling you couldn't have been unscrambling he couldn't have been unscrambling we couldn't have been unscrambling you couldn't have been unscrambling they couldn't have been unscrambling

Interrogative form

Simple form	V-ing form
could I unscramble? could you unscramble? could he unscramble? could we unscramble? could you unscramble? could they unscramble?	could I be unscrambling? could you be unscrambling? could he be unscrambling? could we be unscrambling? could you be unscrambling? could they be unscrambling?
Perfect	V-ing perfect
could I have unscrambled? could you have unscrambled? could he have unscrambled? could we have unscrambled? could you have unscrambled? could they have unscrambled?	could I have been unscrambling? could you have been unscrambling? could he have been unscrambling? could we have been unscrambling? could you have been unscrambling? could they have been unscrambling?

Interro-negative form

Simple form	V-ing form
couldn't I unscramble? couldn't you unscramble? couldn't he unscramble? couldn't we unscramble? couldn't you unscramble? couldn't they unscramble?	couldn't I be unscrambling? couldn't you be unscrambling? couldn't he be unscrambling? couldn't we be unscrambling? couldn't you be unscrambling? couldn't they be unscrambling?
Perfect	V-ing perfect
couldn't I have unscrambled? couldn't you have unscrambled? couldn't he have unscrambled? couldn't we have unscrambled? couldn't you have unscrambled? couldn't they have unscrambled?	couldn't I have been unscrambling? couldn't you have been unscrambling? couldn't he have been unscrambling? couldn't we have been unscrambling? couldn't you have been unscrambling? couldn't they have been unscrambling?