Can someone do this Spanish please

Use your knowledge of the imperfect preterit, present, and future tenses to write a post card to a friend in colombia (remember to use all your skills in the three tenses). tell your friend about what you did last summer, what you are doing today and the things you plan to do next fall.

What does it mean to conjugate a verb? how do you conjugate verbs in spanish?

Choose the best spanish equivalent to the phrase. mauricio sang that song. mauricio cantó esa canción. mauricio canté esa canción. mauricio cantaron esa canción. mauricio cantamos esa canción.