I NEED HELP WITH EXAM ASAP :((

Which sentence contains a completed action? when i was a child there was a fair in my town every year. i won a prize at the fair last year.

Question 6 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo pago answer for blank 1: question 7 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo mando answer for blank 1: question 8 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. miguel y ana llegan answer for blank 1: question 9 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. ustedes lavan answer for blank 1: question 10 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. tú lavas answer for blank 1:

Okay so i'm taking an online spanish course (penn foster), and in the study guide, you have to create a bunch of sentences with words you've learned so far. translating, reading, and those kinds of things are fairly easy, but when it comes to making my own sentences, my brain just kinda waltz's away. anyone got any tips?