Пять предложений на языке present perfect

I have seen the film once.
How many times have you been to Tokyo?
She has learned to speak Russian.
She hasn't found the time yet.
We have seen this movie ten times.

I haven't seen Sam for a long time.
I have known Sam for six years.
I have read this book recently.
Have you ever been to London?
I have heard about this computer game.