哪些词可以不用单三

在英语中，某些动词和短语在一般现在时态下可以不用第三人称单数形式（即不用加“-s”或“-es”），这是因为它们通常与单数或复数主语都兼容。以下是一些例子：

1. 动词短语：

be (am, is, are)

have (has)

do (does)

go (goes)

make (makes)

take (takes)

give (gives)

see (sees)

know (knows)

need (needs)

want (wants)

need (needs)

understand (understands)

believe (believes)

think (thinks)

feel (feels)

say (says)

tell (tells)

ask (asks)

answer (answers)

listen (listens)

look (looks)

come (comes)

go (goes)

live (lives)

die (dies)

exist (exists)

belong (belongs)

consist (consists)

depend (depends)

exist (exists)

include (includes)

consist of (consists of)

result in (results in)

consist of (consists of)

result in (results in)

2. 其他固定短语：

be like

be different from

be similar to

be made of

be born in

be from

be about

be on

be at

be in

be out

be up

be down

be off

be over

be under

be behind

be in front of

be next to

be beside

be on top of

be inside

be outside

be around

be near

be far from

be away from

be close to

be far from

be near

be away from

be close to

这些短语在句子中通常与单数或复数主语搭配使用，而不需要根据主语的单复数变化。