A
シャワー浴びなきゃなんなかった
I had to take a shower.
私、昇進するはずだったんだけどね。
(get a promotion)
I was supposed to get a promotion.
書き直さなきゃなんなかった。
I had to rewrite it.
電話を折り返しかけるべきでした...
(return his call)
I should have returned his call.
(visit me)
My mother wasn't supposed to visit me.
お金貯めとくべきだったわ。
I should have saved money.
I shouldn't have opened the window.
医者に行くべきだったわ。
I should have gone to the doctor.
He must be sick.
私絶対、風邪ひいてるわ。
I must have a cold.
He might be sick. (may, could)
みんな、うんざりしてるに違いない
Everyone must be bored.
あの人、50歳ぐらいかも。
She might be about 50. (may, could)
彼、きっと60歳超えてるよ。
He must be over 60.
That can't be true.
彼、具合が悪いのかも...(not)
He may not feel well.