The position of the adverbs still, already, yet and just when used with the present perfect.
Still is between the subject and auxiliary verb.
- I still haven’t called Jan.
(I/subject – still – haven’t/auxiliary verb)
- They still haven’t finished painting their house.
Already and just are between the auxiliary verb and the past participle.
- I’ve already decided what I will do.
(have/auxiliary verb – already – decided/past participle)
- Gary has just phoned. Please ring him back when you have a minute.
If there are two auxiliary verbs already or just are between them.
- It has only just been made public.
(has/auxiliary verb – just – been/auxiliary verb)
- They have already been waiting for three hours.
Yet comes at the end of the sentence or question.
- I haven’t finished it yet.
- Has it been tried in the UK yet?