English verb conjugation
COULD CRESCENDO

Regular verb: crescendo - crescendoed - crescendoed

Affirmation

Simple form	V-ing form
I could crescendo you could crescendo he could crescendo we could crescendo you could crescendo they could crescendo	I could be crescendoing you could be crescendoing he could be crescendoing we could be crescendoing you could be crescendoing they could be crescendoing
Perfect	V-ing perfect
I could have crescendoed you could have crescendoed he could have crescendoed we could have crescendoed you could have crescendoed they could have crescendoed	I could have been crescendoing you could have been crescendoing he could have been crescendoing we could have been crescendoing you could have been crescendoing they could have been crescendoing

Negation

Simple form	V-ing form
I couldn't crescendo you couldn't crescendo he couldn't crescendo we couldn't crescendo you couldn't crescendo they couldn't crescendo	I couldn't be crescendoing you couldn't be crescendoing he couldn't be crescendoing we couldn't be crescendoing you couldn't be crescendoing they couldn't be crescendoing
Perfect	V-ing perfect
I couldn't have crescendoed you couldn't have crescendoed he couldn't have crescendoed we couldn't have crescendoed you couldn't have crescendoed they couldn't have crescendoed	I couldn't have been crescendoing you couldn't have been crescendoing he couldn't have been crescendoing we couldn't have been crescendoing you couldn't have been crescendoing they couldn't have been crescendoing

Interrogative form

Simple form	V-ing form
could I crescendo? could you crescendo? could he crescendo? could we crescendo? could you crescendo? could they crescendo?	could I be crescendoing? could you be crescendoing? could he be crescendoing? could we be crescendoing? could you be crescendoing? could they be crescendoing?
Perfect	V-ing perfect
could I have crescendoed? could you have crescendoed? could he have crescendoed? could we have crescendoed? could you have crescendoed? could they have crescendoed?	could I have been crescendoing? could you have been crescendoing? could he have been crescendoing? could we have been crescendoing? could you have been crescendoing? could they have been crescendoing?

Interro-negative form

Simple form	V-ing form
couldn't I crescendo? couldn't you crescendo? couldn't he crescendo? couldn't we crescendo? couldn't you crescendo? couldn't they crescendo?	couldn't I be crescendoing? couldn't you be crescendoing? couldn't he be crescendoing? couldn't we be crescendoing? couldn't you be crescendoing? couldn't they be crescendoing?
Perfect	V-ing perfect
couldn't I have crescendoed? couldn't you have crescendoed? couldn't he have crescendoed? couldn't we have crescendoed? couldn't you have crescendoed? couldn't they have crescendoed?	couldn't I have been crescendoing? couldn't you have been crescendoing? couldn't he have been crescendoing? couldn't we have been crescendoing? couldn't you have been crescendoing? couldn't they have been crescendoing?