关于英语的知识（请回答以下问题）

1."protect the innocent"中"protect"是_及物_动词（填及物或不及物）,innocent是__形容词___词,为什么可以用来作宾语__形容词名词化表示泛指,无辜的人们______.
2."he wanted to make jill go to jail instead of himself.（其中"instead of 被划线了"）"划线部分表达前后两个状况是__相反___（填相同或相反）,前面状况是_肯定__,后面状况是_否定__（填肯定或否定）.
3.动名词和动词不定式用于_动词或形容词_后面,使用动词不定式或动名词取决于_动词是否及物_.
4.总结不定式在句中充当什么成分：
(1)it is not easy to sing a song in english.
用英语唱歌并不容易.主语
(2)his duty is to look after this baby.（请翻译）
他的任务是照顾这个婴儿.宾语
(3)we decided to have lunch.
我们决定去吃饭.宾语
(4)they have lots of things to do.
他们有很多事情要做.修饰语
5.举出生活中较为常用的含有不定式的词组并造句（最少四个）.
my daily work is to organize those documents.
it is very interesting to talk to you.
we try to overcome these difficulties.
there are lots of books to read.
6.总结名词在句中充当什么成分：
(1)learning by heart is the most important way to study english well.（请翻译）
背诵是学好英语的最重要途径.主语
(2)he forgot leaving his key on the table when he left.
他离开时忘了把他的钥匙落在桌子上了.宾语
(3)my favourite subject is playing table tennis.
我最爱的兴趣是玩乒乓球.宾语
(4)this washing machine is the most expensive in the shop.
这个洗衣机是店里最贵的.主语
7.举出生活中较为常用的后接-ing的词组并造句（最少四个）.
the sport i usually do is riding a bike.
i remembered telling you the joke.
sleeping earlier is a good way to keep fit
making friends with strangers is difficult for me.