How often he ………………….. (to play) guitar? I …………………………….. (not to write) a letter now. You ………………………(to go) to the south next summer? Where you …………………………(to go) next summer? Where they ……………………… (to go) on Sunday? They ……………………….. (to play) in the yard now. What your brother ……………………..(to do) yesterday? Where you ………………………….(to go) next morning? He …………………… (to sleep) every night. They ………………………….. (not to play) in the street now.

Here are the correct forms of the verbs in the sentences: 1. How often he **plays** (to play) guitar? 2. I **am not writing** (not to write) a letter now. 3. Are you **going** (to go) to the south next summer? 4. Where **are you going** (to go) next summer? 5. Where **are they going** (to go) on Sunday? 6. They **are playing** (to play) in the yard now. 7. What **did your brother do** (to do) yesterday? 8. Where **will you go** (to go) next morning? *(Note: "next morning" suggests future, so "will go" is appropriate)* 9. He **sleeps** (to sleep) every night. 10. They **are not playing** (not to play) in the street now. Let me know if you'd like explanations for any of these!