English verb conjugation
COULD FILIGREE

Regular verb: filigree - filigreed - filigreed

Affirmation

Simple form	V-ing form
I could filigree you could filigree he could filigree we could filigree you could filigree they could filigree	I could be filigreeing you could be filigreeing he could be filigreeing we could be filigreeing you could be filigreeing they could be filigreeing
Perfect	V-ing perfect
I could have filigreed you could have filigreed he could have filigreed we could have filigreed you could have filigreed they could have filigreed	I could have been filigreeing you could have been filigreeing he could have been filigreeing we could have been filigreeing you could have been filigreeing they could have been filigreeing

Negation

Simple form	V-ing form
I couldn't filigree you couldn't filigree he couldn't filigree we couldn't filigree you couldn't filigree they couldn't filigree	I couldn't be filigreeing you couldn't be filigreeing he couldn't be filigreeing we couldn't be filigreeing you couldn't be filigreeing they couldn't be filigreeing
Perfect	V-ing perfect
I couldn't have filigreed you couldn't have filigreed he couldn't have filigreed we couldn't have filigreed you couldn't have filigreed they couldn't have filigreed	I couldn't have been filigreeing you couldn't have been filigreeing he couldn't have been filigreeing we couldn't have been filigreeing you couldn't have been filigreeing they couldn't have been filigreeing

Interrogative form

Simple form	V-ing form
could I filigree? could you filigree? could he filigree? could we filigree? could you filigree? could they filigree?	could I be filigreeing? could you be filigreeing? could he be filigreeing? could we be filigreeing? could you be filigreeing? could they be filigreeing?
Perfect	V-ing perfect
could I have filigreed? could you have filigreed? could he have filigreed? could we have filigreed? could you have filigreed? could they have filigreed?	could I have been filigreeing? could you have been filigreeing? could he have been filigreeing? could we have been filigreeing? could you have been filigreeing? could they have been filigreeing?

Interro-negative form

Simple form	V-ing form
couldn't I filigree? couldn't you filigree? couldn't he filigree? couldn't we filigree? couldn't you filigree? couldn't they filigree?	couldn't I be filigreeing? couldn't you be filigreeing? couldn't he be filigreeing? couldn't we be filigreeing? couldn't you be filigreeing? couldn't they be filigreeing?
Perfect	V-ing perfect
couldn't I have filigreed? couldn't you have filigreed? couldn't he have filigreed? couldn't we have filigreed? couldn't you have filigreed? couldn't they have filigreed?	couldn't I have been filigreeing? couldn't you have been filigreeing? couldn't he have been filigreeing? couldn't we have been filigreeing? couldn't you have been filigreeing? couldn't they have been filigreeing?