a lot of noise is going on outside的句子成分

问题描述:

a lot of noise is going on outside的句子成分

主语+谓语句式(老师习惯写成S+O)
主语:a lot of noise (noise做“噪音”理解时为不可数名词,故前面用a lot of)
谓语:is going on (go on为不及物动词词组“继续、持续”,后面不接宾语)
状语:outside(地点状语)