1. headache, I, a, have (.)

2. stay, you, bed, in, should (.)

3. drink, water, more, you, should (.)

4. get, you, well, soon, will (.)

1. I have a headache.
2. You should stay in bed.
3. You should drink more
water.
4. You will get well soon.

【分析】
这类英语连词成句题的解题思路：1. 先根据句中的人称代词（I、You）确定句子主语；2. 结合固定短语搭配（如have a headache、stay in bed等），找到谓语相关的动词或短语；3. 按照陈述句“主语+谓语+宾语/状语”的基本语序排列单词；4. 注意句首单词大写，句末添加句号。
【解析】
1. 先确定主语为I，再搭配固定短语have a headache，按陈述句语序排列，句首大写、句末加句号，得到I have a headache.
2. 主语是You，情态动词should后接动词短语stay in bed，排列后为You should stay in bed.
3. 主语为You，情态动词should后接drink more water，排列后为You should drink more water.
4. 主语是You，助动词will后接动词短语get well soon，排列后为You will get well soon.
【答案】
1. I have a headache.
2. You should stay in bed.
3. You should drink more water.
4. You will get well soon.
【知识点】
英语连词成句，陈述句语序，固定短语搭配
【点评】
本题为小学英语基础连词成句题，考察学生对常用固定短语和陈述句基本语序的掌握，题型简单，是英语学习的基础题型。
【难度系数】
0.8