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.
Sue has already written the contract for the fixed term sale.
Has the state-controlled enterprise recovered from this bad economy yet?
Have they changed the bill to be payable in advance yet?
Place 'already' directly before the past participle. 'Already' is used in positive sentences.
Subject + have + already + past participle + (object(s))
The company's accountant has already finished the debt-to-income ratio report for the meeting.
Place 'yet' at the end of a negative sentence or question.
Subject + have + not + past participle + (object(s)) + yet
The accrued revenue in our bank for this month has not been calculated yet.
Have + subject + past participle + (object(s)) + yet?
Have you checked your credit report 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.