Select those settings and all drills will be "ar" verbs in present or preterite tense, first person singular or plural. You can customize the drills to a fine level, and then apply those settings to a verb list you've created. You'll drill yourself on exactly what you need to drill yo...
The correct answer appears. If you want, you can also hear the correct answer at the same time. You can set Verbos to drill you on a subset of the 500+ verbs in the app. How can you choose? - Select one infinitive to drill yourself; - Create a list of verbs to drill (Verbos ...