2. Present Simple Tense (V + даг/даггүй 4 ) The present tense is used to talk about habitual, repeated, or long-term activities. For example, Би дандаа алхдаг – I always walk. – даг (- дэг, – дог, – дөг) is added to a verb stem according to vowel harmony. ( click the link to review vowel harmony on our ...