各位大侠请帮我分析下这个句子Verrazano,an Italian about whom little is know
各位大侠请帮我分析下这个句子 Verrazano,an Italian about whom little is known,sailed into New York Harbour in 1524 and named it Angouleme. 请问 为什么whom后面 不接is little known?而是 little is known?还有为什么此处 不用was 要用 is little难道在这里的词性是名词?