1·But it has also led to lots of American words and structures passing into British English,......

【答】黑体部分为“动名词复合结构”，作led to 的宾语。不是现在分词 passing into British English 作American words and structures 的宾补。因为，lead to 不接复合宾语，它没有接复合宾语的条件。

2. If you turn on CNN, you find newsreaders and weather forcasters all speaking with different accents.....

【答】黑体部分为复合宾语结构。现在分词speaking with different accents 作宾补。因为，find 可以接复合宾语，本句从语义还是结构，都符合条件。