主语+系动词+表语
I am a webaholic.
2. 主语+谓语+(状语)
The sun sets in the west.有状语
The fire is burning.无状语
3. 主语+谓语+宾语
The children are playing. play作不及物动词
The children are playing football.play作及物动词
4. 主语+谓语+间接宾语+直接宾语
I will buy you a meal.
5. 主语+谓语+宾语+宾语补足语
We elected John our chairman.