This type of exercise will allow you to look at your work with a more critical and expert eye and therefore write better in Spanish. You may want to keep in mind the following questions while doing this type of exercise: What is the subject of the sentence? Is there agreement between the subject and the verb? -Do nouns and adjectives agree? - What is the tense of the verbs? Is there consistency of tenses throughout the sentence? _ Is the sequence of tenses correct? _ Are the forms of ser and estar properly used? - Are por and para correctly used? - Does the verb or do the verbs used require the use of a preposition? Is the preposition being used the correct one?