In Japanese, how do I say 'must do something'?

Question

Could you translate these sentences?

1. I HAD to get up early but I wanted to stay in bed (past tense)

2. I DIDN'T HAVE to go to school on monday (past negative)

3. I DON'T HAVE to eat the apple if I don't want to (present negative)

4. I HAVE to walk/take my little sister to school.

Answer 1

何かをしなければならない i think this is it - if this helps

Answer 2

1. hayaku okinakucha ikenakatta kedo motto netetakatta.

2. getsuyoubi wa gakkou ni ikanakute mo yokatta.

3. tabetaku nakere ba ringo wa tabenakute mo ii.

4. imouto wo gakkou ni tsurete ikanakute wa ikenai.

Answer 3

1. Watashi wa hayaku okinakereba naranakattakeredo mada beddo de neteitakatta.

2.Watashi wa getsuyoubini gakkou ni iku hitsuyou wa nakatta.

3.Watashi wa tabetakunakereba ringo wo taberu hitsuyou wa arimasen.

4.Watashi wa imouto wo gakkou ni tsurete ikanakereba narimasen.

１　私は早く起きなければならなかったけれど、まだベッドで寝ていたかった。

２　私は月曜日に学校に行く必要はなかった。

３　私は食べたくなければりんごを食べる必要はありません。

４　私は妹を学校に連れていかなければなりません。

Answer 4

1. hayaku okinakucha ikenakatta kedo mouchotto nemuri takatta.

2. getsuyoubi niwa gakou ikanakutemo yokatta.

3. ringo tabetaku nakattara tabenaku temo ii

4. imouto o gakkou ni tsurenakucha ikenai.