Be of effect
有效
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Or did you forget to give it to me?
或许是你忘了给我吧？
Did you go swimming yesterday?
你昨天去游泳了吗？
You are the right man for the job.
你正适合做这项工作