Time expressions

HALLO SUPER HEROS, REMEMBER:
For
to express how long, how much time,e.g. I have been at school for five hours
Since
 to express the moment when something begins, e.g. I have been at school since ten o´clock
Just
 to express that something has occurred very recently, e.g. You have just come (one minute ago)
Already
 to express that something has happenned before,  e.g. I have already studied
Yet
 to express that something has not happened but we are waiting for it: The film has not finished yet


Now look at these sentences and...👇