Three montion picture critiques

In This picture you will use a high ISO because it is seems to be in the dark. Also you have to focus the subject just like the other picture to make the background blurry.

To get this picture you have to have a slow shutter speed but not too slow. Also with this picture the subject is in focus and the background is blurry. To achieve this you have to follow the subject at the same speed to make the subject in focus.

In this photo people are walking and the background is still but the thing you see most moving is someone on a bike. To get this picture you need a slight slower shutter speed and maybe a tripod, but keep the camera still.