Suddenly it began to rain.to rain是什么句子成分,请说出理由,

Suddenly it began to rain.to rain是什么句子成分,请说出理由, Suddenly it began to rain 分析句子成分,主谓宾定状补, Suddenly it began to rain,so the woman _____a taxi. Suddenly it began to rain Suddenly ——?it——?began——?to rain—— It began to rain _____ It began to rain _____. I was about to leave when it began to rain可否与suddenly 连用 we mountain climbing, it began to rain the Halfway suddenly这 求求你们快点：连词成句：1.began ,it,rain,to,suddenly,2.towards,he,walked then suddenly,black c___ covered the sun.it began to rain, Today,when I sat in a park,it suddenly began to rain.有关的短文 Today,when I sat in a park,it suddenly began to rain.第一句是这个