English verb conjugation
CAN THUMB-INDEX

Regular verb: thumb-index - thumb-indexed - thumb-indexed

Affirmation

Simple form	V-ing form
I can thumb-index you can thumb-index he can thumb-index we can thumb-index you can thumb-index they can thumb-index	I can be thumb-indexing you can be thumb-indexing he can be thumb-indexing we can be thumb-indexing you can be thumb-indexing they can be thumb-indexing
Perfect	V-ing perfect
I can have thumb-indexed you can have thumb-indexed he can have thumb-indexed we can have thumb-indexed you can have thumb-indexed they can have thumb-indexed	I can have been thumb-indexing you can have been thumb-indexing he can have been thumb-indexing we can have been thumb-indexing you can have been thumb-indexing they can have been thumb-indexing

Negation

Simple form	V-ing form
I cannot thumb-index you cannot thumb-index he cannot thumb-index we cannot thumb-index you cannot thumb-index they cannot thumb-index	I cannot be thumb-indexing you cannot be thumb-indexing he cannot be thumb-indexing we cannot be thumb-indexing you cannot be thumb-indexing they cannot be thumb-indexing
Perfect	V-ing perfect
I cannot have thumb-indexed you cannot have thumb-indexed he cannot have thumb-indexed we cannot have thumb-indexed you cannot have thumb-indexed they cannot have thumb-indexed	I cannot have been thumb-indexing you cannot have been thumb-indexing he cannot have been thumb-indexing we cannot have been thumb-indexing you cannot have been thumb-indexing they cannot have been thumb-indexing

Interrogative form

Simple form	V-ing form
can I thumb-index? can you thumb-index? can he thumb-index? can we thumb-index? can you thumb-index? can they thumb-index?	can I be thumb-indexing? can you be thumb-indexing? can he be thumb-indexing? can we be thumb-indexing? can you be thumb-indexing? can they be thumb-indexing?
Perfect	V-ing perfect
can I have thumb-indexed? can you have thumb-indexed? can he have thumb-indexed? can we have thumb-indexed? can you have thumb-indexed? can they have thumb-indexed?	can I have been thumb-indexing? can you have been thumb-indexing? can he have been thumb-indexing? can we have been thumb-indexing? can you have been thumb-indexing? can they have been thumb-indexing?

Interro-negative form

Simple form	V-ing form
can I not thumb-index? can you not thumb-index? can he not thumb-index? can we not thumb-index? can you not thumb-index? can they not thumb-index?	can I not be thumb-indexing? can you not be thumb-indexing? can he not be thumb-indexing? can we not be thumb-indexing? can you not be thumb-indexing? can they not be thumb-indexing?
Perfect	V-ing perfect
can I not have thumb-indexed? can you not have thumb-indexed? can he not have thumb-indexed? can we not have thumb-indexed? can you not have thumb-indexed? can they not have thumb-indexed?	can I not have been thumb-indexing? can you not have been thumb-indexing? can he not have been thumb-indexing? can we not have been thumb-indexing? can you not have been thumb-indexing? can they not have been thumb-indexing?