何かの状態を示すために be 動詞を使います。
be 動詞は主語 [S] によって語形が is, am, are に変化します。
be 動詞の後には名詞 [O] や形容詞 [C] が続きます。
私 | I am | I'm |
あなた | you are | you're |
彼 | he is | he's |
彼女 | she is | she's |
それ | it is | it's |
これ | this is | this's |
あれ | that is | that's |
私たち | we are | we're |
あなたたち | you are | you're |
彼ら | they are | they're |
彼女ら | they are | they're |
それら | they are | they're |
これら | these are | these're |
あれら | those are | those're |
he, she, it, this, that をまとめて三人称単数と呼びます。