Can I say,<br/><br/>(a) A dangerous man followed May and stopped the car. <br/><br/>(b) A van followed May and stopped it. A man tried to approach her. <br/><br/>(c) When the girl went into the centre, the man stopped his car and approached her. <br/><br/>(d) A guy followed May. The guy stopped and approached her. <br/><br/>(e) The man walked down the van and approached her.<br/><br/>(f) A van followed me and stopped me.