主è°ä¿æä¸è´ãä¾å¦ï¼I am tired. He is clever. They are fine.
æ¶æä¿æä¸è´ãä¾å¦ï¼I started to learn to play the piano when I was young.
人称ä¿æä¸è´ãä¾å¦ï¼We enjoyed ourselves during the summer holiday.
éå½ä½¿ç¨å¥åãä¾å¦ï¼It is important for us to learn English well.
åºå®æé æ£ç¡®ãä¾å¦ï¼be interested in doing / take interest in doing çã