give（1）gives(2)gave
say（1）says(2)said
swim（1）swims(2)swam
cry（1）cries(2)cried
eat（1）eats(2)ate
buy（1）buys(2)bought
try（1）tries(2)tried
play（1）plays(2)played
shop（1）shops(2)shopped
stop（1）stops(2)stopped
see（1）sees(2)saw
下列单词的第三人称单数形式和过去式
give（1）gives(2)gave
say（1）says(2)said
swim（1）swims(2)swam
cry（1）cries(2)cried
eat（1）eats(2)ate
buy（1）buys(2)bought
try（1）tries(2)tried
play（1）plays(2)played
shop（1）shops(2)shopped
stop（1）stops(2)stopped
see（1）sees(2)saw