四种时态一、现在进行时：1．提示词look,listen,now，Don’tshout
It’ssixo’clock2．结构：主语+be+动词ing3．动词ing变化规则：①+ingsingingskiing②去e+ing如：dance,have,live,come,take,write,skate,like③双写+ing如：sitswimstopshoprunjogputgettravelplan二、一般现在时：1．提示词often,usually,sometimes,every,always2．结构：主语+动词原形/动词三单3．动词三单变化规则：①+s②以x,o,s,sh,ch结尾+es如：godo/watchcatchteach/washbrushfinish③以辅音+y结尾，去y变i+es如：study④不规则变化：have--has注意：what、who通常当作三单
三、一般过去时：1．提示词：ago/last/thismorning/yesterday/oneday/justnow/justthenfromthenon2．主语+动词过去式3．V过去式变化规则：①+ed如：talk--talked②有e+d如：live--lived/dance--danced③以辅音+y结尾，去y变i+ed如：study④不规则变化如：am/is–was是are–were是see–saw看见can–could能Do/does–did做read–read读get–got得到go–went去make–made制作eat–ate吃wear–wore穿become–became变成；变为take–took带
拍buy–bought买fly–flew放（风筝）write–wrote写meet–met遇见tell–told告诉catch–caught捉let-let让find–found找到
