Could you please help me to write this sentence formally and correctly? Many thanks! Hi, I need to write a question for the two groups below, group 1 is simple past, and group 2 is present perfect. The examinees need to distinguish the time expression according to the its above sentence. (This is the context.) So can I write the question like this: ' Look at the two groups below, tick the right time expression according to the sentence above '? Is this sentence right? How can I write this sentence naturally and formally? 1. The Petersons took a trip _____________ two weeks ago. _____________ since yesterday. _____________ yesterday. _____________ last year. _____________ several months ago. _____________ since last month.' _____________ the day before yesterday. _____________ in March. 2. The Petersons have been out of town _____________ the day before yesterday. _____________ one month ago. _____________ since Friday. _____________ last week. _____________ since last week. _____________ in April last year. _____________ several weeks ago