借助语法总结表自查语法错误 — 英语词汇题

Tom 用本单元《Grammar Summary》中的「一般现在时」语法总结表自查了一段日记，找出下列四句中的错误并将其改正（提示：注意主语与动词形式是否一致）。1. My sister go to school by bike every day. 2. Do he like playing basketball after class? 3. Lily doesn't likes drinking milk in the morning. 4. What time do the classes begin on Monday?