sentence: She was just about to open the door to check the inside when , suddenly , a scream echoed from the house , the door slammed open and the group started running at full speed , chased by four big spiders who had just discovered that their home had just been occupied .
modified: She was just about to open the door to check the inside when suddenly a scream echoed from the house , the door slammed open and the group started running at full speed chased by four big spiders who just discovered that their home had just been occupied .
transformation: PUNCT, PUNCT, PUNCT, VERB:TENSE