1、i often advertise,and find that it pays me well

1 我经常登广告,并发现很有收效.

2 如果有谁上周日晚从市教堂拿走一把雨伞,不想惹麻烦就快送还至Broad大街10号.大家知道你是谁!

if...trouble,条件状语从句,who...evening从句中的the man的定语,定语从句,to take...evening 定语从句作seen的宾语,也可以说成是who的主语补足语,from the city church是不定式中的动词take的地点状语,last sunday evening是不定式中的动词take的时间状语

doesn't wish状语从句中的谓语to get into trouble不定式做wish的宾语

he will...主句

1,我经常作广告,而且发现利润不小。
2,上周日晚上被人看到在城市教堂偷走雨伞的人，如果你不想找麻烦的话,尽快将伞归还到百老汇10号。大家都知道你是谁。
if the man who was seen to take an umbrella from the city church last sunday evening doesn't wish to get into trou...

1,我经常作广告,而且发现收益不错.
2,如果那个昨天晚上被人看到在城市教堂偷走雨伞的人不想有什么麻烦的话,最好将伞归还到百老汇街10号.那人很出名.

1.我经常做广告，而且发现这对我十分有益
2.如果那个上周日晚上被人看到在市教堂偷走雨伞的人不想有什么麻烦的话,最好将伞归还到他十分熟悉的百老汇街10号.
这是双重复合句，“,”前为一个条件状语从句，“，”后为主语。前半句中主语为man，“who was seen to take an umbrella from the city church last sunday"是一个定语从...

我经常作广告,发现很挣钱.find后是宾语从句
if the man (who was seen to take an umbrella from the city church last sunday evening作定语) doesn't wish to get into trouble(作条件从句),主句是 he will return the umbrella to No.10 Broad Street. 他已经被人家知道了 he is well known