Verb forms

* use, used, used = regular verb lose, lost, lost = irregular verb

Tense Active PassivePresent simple use/uses

lose/loses

is used/are used

is lost/are lostPast simple used

lost

was used /were used

was lost/were lostPresent continuous

is using/are using

is losing/are losing

is being used/are being used

is being lost/are being lostPast continuous was using/were using

was losing/were losing

was being used/were being used

was being lost/were being lostPresent perfect simple

have used/has used

have lost/has lost

have been used/has been used

have been lost/has been lostPast perfect had used

had lost

had been used

had been lostFuture simple will use

will lose

will be used

will be lostModal verbs:can, could, may, might, should, must etc.

can usecould loseetc.

can be usedcould be lostetc.