1,be +形容词构成表语.是简单的主谓结构.without shedding tears是伴随状语
2,introduce后面接双宾语.myself 是直接宾语,to you 是间接宾语.
Learning mathematics is really a tough job for him.(这句话是主谓宾结构),for him 是宾补,修饰 job.
3,She was paticular about learning music.(这句话的结构是主系表),about 是状语.
paticular about:意思是“过分讲究的;难以取悦的”