健康 3
好痛！
在身体部位后加上 ‑ache，就可以表达头痛、牙痛这样的概念。
My little brother still has a toothache.
我的弟弟还有牙疼。
I had a terrible headache last night.
昨天晚上，我有很厉害的头痛。
Do you have medicine for a stomachache?
你有治胃痛的药吗？
Are you able to?
除了 can 以外，还可以用 be able to 来谈能力 。
Are you able to walk?
你能走路吗？
I wasn't able to sleep.
我不能睡觉。
She's not able to pay for the medicine.
她不能为药付款。
How bad is it?
当在比较时，bad 像 good 一样，是个不规则的词！
big → bigger → biggest
interesting → more interesting → most interesting
good → better → best
bad → worse → worst