“entered”
Since it happened when the subject <em>was</em> sleeping, which is past tense, the other verb needs to be in the past tense form too.
Answer:
Do you mean past simple? If so the answer is below
The Past Simple tense, also called the Simple Past, is used for past actions that happened either at a specific time, which can either be given by a time phrase (yesterday, last year, etc.) or could be understood from the context.
Explanation:
The Past Simple tense, also called the Simple Past, is used for past actions.
She thanks God for sending Beowulf to fight Grendel, and Beowulf replies with a formal boast, stating that he will either distinguish himself with a heroic deed or die in the mead-hall. Pleased, Wealhtheow takes her seat next to Hrothgar.
An idiosyncrasy is a characteristic, habit, mannerism, or the like, that is peculiar to an individual.