只有主语在第三人称单数时用动词的三单形式,
其他人称用动词原形。
★ 动词三单形式的变化规则:
1.(1)多数直接在动词词尾加-s.
play - plays like - likes
ask---asks work---works get---gets call---calls
(2)以字母s, x, ch, sh或o结尾的动词,在词尾直接加-es.
watch---watches wish---wishes do---does go---goes
(3)以辅音字母加 - y结尾的动词,要先变y为i再加-es.
try---tries study---studies cry---cries fly---flies
2.不规则变化:be---- is have----has
上一篇: 初中英语时态知识点:一般现在时的构成
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