Coniugazione del verbo inglese
COULD INDEX

Verbo regolare: index - indexed - indexed

Affermazione

Forma semplice	Forma con V-ing
I could index you could index he could index we could index you could index they could index	I could be indexing you could be indexing he could be indexing we could be indexing you could be indexing they could be indexing
Perfetto	Perfetto con V-ing
I could have indexed you could have indexed he could have indexed we could have indexed you could have indexed they could have indexed	I could have been indexing you could have been indexing he could have been indexing we could have been indexing you could have been indexing they could have been indexing

Negazione

Forma semplice	Forma con V-ing
I couldn't index you couldn't index he couldn't index we couldn't index you couldn't index they couldn't index	I couldn't be indexing you couldn't be indexing he couldn't be indexing we couldn't be indexing you couldn't be indexing they couldn't be indexing
Perfetto	Perfetto con V-ing
I couldn't have indexed you couldn't have indexed he couldn't have indexed we couldn't have indexed you couldn't have indexed they couldn't have indexed	I couldn't have been indexing you couldn't have been indexing he couldn't have been indexing we couldn't have been indexing you couldn't have been indexing they couldn't have been indexing

Forma interrogativa

Forma semplice	Forma con V-ing
could I index? could you index? could he index? could we index? could you index? could they index?	could I be indexing? could you be indexing? could he be indexing? could we be indexing? could you be indexing? could they be indexing?
Perfetto	Perfetto con V-ing
could I have indexed? could you have indexed? could he have indexed? could we have indexed? could you have indexed? could they have indexed?	could I have been indexing? could you have been indexing? could he have been indexing? could we have been indexing? could you have been indexing? could they have been indexing?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I index? couldn't you index? couldn't he index? couldn't we index? couldn't you index? couldn't they index?	couldn't I be indexing? couldn't you be indexing? couldn't he be indexing? couldn't we be indexing? couldn't you be indexing? couldn't they be indexing?
Perfetto	Perfetto con V-ing
couldn't I have indexed? couldn't you have indexed? couldn't he have indexed? couldn't we have indexed? couldn't you have indexed? couldn't they have indexed?	couldn't I have been indexing? couldn't you have been indexing? couldn't he have been indexing? couldn't we have been indexing? couldn't you have been indexing? couldn't they have been indexing?