Present perfect for recent events:
The present perfect connects the past to the present moment. It is used to express an effect on the present moment. The time expressions 'just', 'yet' and 'already' are often used to express this relationship to the present moment in time.
Has the state-controlled enterprise recovered from this bad economy yet?
The funds have been marked as transferable.
We haven't managed to secure a loan for our overhead costs yet..
Place 'already' directly before the past participle. 'Already' is used in positive sentences.
Subject + have + already + past participle + (object(s))
It has already been explained that it is a tangible asset.
Place 'yet' at the end of a negative sentence or question.
Subject + have + not + past participle + (object(s)) + yet
I haven't looked into whether interest accrual is possible for that account yet.
Have + subject + past participle + (object(s)) + yet?
Have they changed the bill to be payable in advance yet?
Place 'just' directly before the participle form to express that something has occurred recently. 'Just' is used in positive sentences.
Subject + have + just + past participle + (object(s))
I've just cast my proxy vote for my large-cap mutual fund.