Define simple past tense. The simple past tense describes a verb/action in the past, i.e. already done. For example, "The thief stole the diamond crown.". Here, the given sentence is in the past tense as the action 'stole' has already been done. Q2.
Remember, present perfect tense implies an action that started in the past and continues in the present day and is shown by the combination of the auxiliary verb, has or have, and the past participle form of the main verb. 5. Perfect verb tense is a great example in showing students how subtle changes in verb tense can affect a writer's tone.