you … him
君は彼に手紙を書かなかったのですか。
Didn't you write him a letter?
君は彼にあんなことを言うべきではなかったのに。
You shouldn't have said that to him.
君は彼に真実を伝えた方がよい。
You'd better tell him the truth.
君は彼に感謝すべきだ。
You should be grateful to him.
君は彼に本当のことを言うべきだった。
You should have told him the truth.
君は彼に多くを期待できない。
You can't expect much from him.