It's my book

We went home

Mary left

Mary smoked a cigar

They gave it to him

He gave them to you

They drank it

He told us

You sold them

noun object or accusative case

third person plural subject or nominative

first person plural subject or nominative case

third person singular indirect object or dative case

second person plural or singular object

possessive or genitive

first person plural object or accusative case

second person plural or singular subject or nominative case

third person subject or nominative case