2019-2020学年人教版高中英语必修2基础精讲课件: 谓语
2019-2020学年人教版高中英语必修2基础精讲课件: 谓语第3页

一般加s:attack, donate, occur, recover, respond, clap, escape, ache, survive

以s, x, sh, ch, o结尾加es:focus, fix, crash, flash, establish, approach, attach, go, do

辅音字母+y结尾,y→ies:study, carry, fly, worry, apply, fancy

特殊变化:have→ has, be→ am/is/are