English verb conjugation
COULD TUMBLE-DRY

Regular verb: tumble-dry - tumble-dried - tumble-dried

Affirmation

Simple form	V-ing form
I could tumble-dry you could tumble-dry he could tumble-dry we could tumble-dry you could tumble-dry they could tumble-dry	I could be tumble-drying you could be tumble-drying he could be tumble-drying we could be tumble-drying you could be tumble-drying they could be tumble-drying
Perfect	V-ing perfect
I could have tumble-dried you could have tumble-dried he could have tumble-dried we could have tumble-dried you could have tumble-dried they could have tumble-dried	I could have been tumble-drying you could have been tumble-drying he could have been tumble-drying we could have been tumble-drying you could have been tumble-drying they could have been tumble-drying

Negation

Simple form	V-ing form
I could not tumble-dry you could not tumble-dry he could not tumble-dry we could not tumble-dry you could not tumble-dry they could not tumble-dry	I could not be tumble-drying you could not be tumble-drying he could not be tumble-drying we could not be tumble-drying you could not be tumble-drying they could not be tumble-drying
Perfect	V-ing perfect
I could not have tumble-dried you could not have tumble-dried he could not have tumble-dried we could not have tumble-dried you could not have tumble-dried they could not have tumble-dried	I could not have been tumble-drying you could not have been tumble-drying he could not have been tumble-drying we could not have been tumble-drying you could not have been tumble-drying they could not have been tumble-drying

Interrogative form

Simple form	V-ing form
could I tumble-dry? could you tumble-dry? could he tumble-dry? could we tumble-dry? could you tumble-dry? could they tumble-dry?	could I be tumble-drying? could you be tumble-drying? could he be tumble-drying? could we be tumble-drying? could you be tumble-drying? could they be tumble-drying?
Perfect	V-ing perfect
could I have tumble-dried? could you have tumble-dried? could he have tumble-dried? could we have tumble-dried? could you have tumble-dried? could they have tumble-dried?	could I have been tumble-drying? could you have been tumble-drying? could he have been tumble-drying? could we have been tumble-drying? could you have been tumble-drying? could they have been tumble-drying?

Interro-negative form

Simple form	V-ing form
could I not tumble-dry? could you not tumble-dry? could he not tumble-dry? could we not tumble-dry? could you not tumble-dry? could they not tumble-dry?	could I not be tumble-drying? could you not be tumble-drying? could he not be tumble-drying? could we not be tumble-drying? could you not be tumble-drying? could they not be tumble-drying?
Perfect	V-ing perfect
could I not have tumble-dried? could you not have tumble-dried? could he not have tumble-dried? could we not have tumble-dried? could you not have tumble-dried? could they not have tumble-dried?	could I not have been tumble-drying? could you not have been tumble-drying? could he not have been tumble-drying? could we not have been tumble-drying? could you not have been tumble-drying? could they not have been tumble-drying?