还是 HAD BETTER
You had better go home.
你还是回家吧。
Aside from a sore throat, I am also sneezing.
除了嗓子不舒服以外，我也打喷嚏。
除了嗓子不舒服以外，我还打喷嚏。
Aside from taking medicine, I didn’t do anything else.
(past negation → 没)
除了吃药以外，我什么都没做。
You had better buy it.
你还是买吧。
Aside from a fever, he is also coughing.
除了发烧以外，他也在咳嗽。
除了发烧以外，他还在咳嗽。
Aside from going to France, I didn’t go anywhere else.
(past negation → 没)
除了法国以外，我哪儿都没去。
You had better sleep.
你还是睡觉吧。
你还是睡吧。
Aside from a red skirt, I also bought a pair of red pants. (Don’t forget your measure words!)
除了一条红色的裙子以外，我也买了一条红色的裤子。
除了一条红裙子以外，我也买了一条红裤子。
Aside from this shirt, I also didn’t buy anything else.
(past negation → 没)
除了这件衬衫以外，我什么都没买。
You had better go see a doctor.
你还是去看医生吧。
你还是去看病吧。
Aside from the size being unsuitable, the color is also ugly.
除了大小不合适以外，颜色也很难看。
Aside from my older sister, I did not tell anyone else.
(past negation → 没)
除了姐姐以外， 我谁都没告诉。
You had better wear a coat / jacket.
你还是穿一件外衣吧。
Other than taking medicine, I also rested.
除了吃药以外， 我也休息。
除了吃药以外，我还休息。
Other than the supermarket, I didn’t go anywhere.
(past negation → 没)
除了超市以外，我哪儿都没去。