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.
I haven't looked into whether interest accrual is possible for that account yet.
Has the state-controlled enterprise recovered from this bad economy yet?
The warehouse hasn't been used for months.
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
We haven't managed to secure a loan for our overhead costs 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))
We have just been given the settlement price.