Unit 7 At weekends,What do you do at weekends?,I usually visit my grandparents.,What does Helen do at weekends?,She always has dancing lessons.She sometimes goes to cinema with her friends.,What about you, Mike?,I usually play football with Liu Tao at weekends.,What do/doesdo at weekends?,动词的第三人称单数形式,(1)一般在词尾加”s” 如：chats, plays,visits,人称代词he, she, it是第三人称单数,(2)在s z x sh ch o 结尾的词在词尾加“es” 如：goes,(3)以辅音字母加y结尾的动词，要把y变为i，再加”es”. 如：fly-flies,always “总是” 100%usually “通常” 80%often “经常” 60%sometimes“有时” 40%,always usually often sometimes,
