动词三单形式变化规则 1.一般情况下,直接加s. ( cook--cooks, milk--milks,) 2.以s, x, sh, ch, o结尾,加es. ( guess--guesses, wash--washes, watch--watches, go--goes ) 3.以辅音字母+y结尾,变y为i,再加es. (study--studies ) 动词ing形式变化规则 1.一般情况下,直接加ing. ( cook--cooking ) 2.以不发音的e结尾,去e加ing. ( make--making, taste--tasting ) 3.如果末尾是一个元音字母和一个辅音字母,双写末尾的辅音字母,再加ing. ( run--running, stop--stopping ) 动词过去式变化规则 1.一般情况下,直接加ed. ( pull--pulled, cook--cooked ) 2.以e结尾,加d. ( taste--tasted ) 3.以辅音字母+y结尾,变y为i,再加ed. ( study--studied ) 4.如果末尾是一个元音字母和一个辅音字母的重读闭音节,双写末尾的辅音字母,再加ed. ( stop--stopped ) 5.动词过去式的不规则变化( give--gave ) 本文来源:https://www.wddqw.com/doc/ae9019661be8b8f67c1cfad6195f312b3169ebf5.html