英文読解の質問
下記英文用法を教えていただきたいです。
よろしくお願いします(m_ _m) 1. Eugene O'neill raised American theater out of vaudeville and excessive sentimentality
, and won American drama its first serious notice abroad.
⇒, andは、どういうときに使えますか？？
2. This melancholy man, so nervous that he looked left and right
when conversing and talked in his sleep
about Freud wrote upwards of twenty plays during the 1920's alone and earned Prizes three times.
⇒なぜ、ここに , so nervous～が挿入できますか？？
⇒when conversingのように、when +ing形が続くときは、いつでしょうか？？
⇒about Freud wrote～、前置詞+ SVと続くときは、いつでしょうか？？
3."I have been accused of unmitigated gloom,"
stated O'neill in as article he wrote for the NY Tribune in February.
⇒ ”, stated～と、 , ～edが続けれるのはなぜでしょうか？？
4. His own piano playing had a very massy touch- angular, swift, offbeat.
But he couldN't write the stuff, as the bemused critics and public thought.
⇒ massy touchー... －は、いつ使うのが適していますか？？
⇒, asのas用法は、何でしょうか？
5. One early beneficiary was that giant of giants, Babe Ruth.
with his bat pounded baseball back into popularity.
⇒One early beneficiary was that～、was thatの用法は何でしょうか？？
⇒Babe Ruth. with～、なぜここでwithが使用できますか？？
6. By 1927, when he hit his high-water mark of 60 home funds, Babe Ruth was a better-known America to most foreigners than President Calvin
, and he rivaled the dashing Princes of Wales as the most photographed man in the world.
⇒いつ、 , and～を使用できますか？？
7. The Great Depression had reached its deepest, darkest point, and the country was more frightened than ever in its history.
⇒ had reachedの前は、なぜSが省略できますか？？
8. He guided the nation and Congress more firmly than ant President
since his cousin Teddy, permanently altering the conduct of American life.
⇒, alteringと続けられるのは、なぜでしょうか？？
よろしくお願いします。
お礼
お返事が遅れてしまい申し訳ございません。 本当にありがとうございました。