Mandarin/Eng Vocab: help & ask

1) They helped her/him.
他们帮了她/他。

2) They helped Linda.
他们帮了Linda。

3) They helped Linda's school.
他们帮了Linda'的学校。

4) They asked you for your help.
他们請你/你們幫忙。

5) We asked your for Linda's help.
我们請Linda帮你的忙。

6) I helped Linda to ask for help.
我帮了Linda請求幫忙

Mandarin/Eng Vocab: help & ask

1) They helped her/him.
他们帮了她/他。

2) They helped Linda.
他们帮了Linda。

3) They helped Linda's school.
他们帮了Linda'的学校。

4) They asked you for your help.
他们问了你的帮。

他们请求你的帮助。 or 他们问你是否能帮忙。

5) We asked your for Linda's help.
我们问了Linda的帮。

我们问你是否能让Linda 来帮忙。

6) I helped Linda to ask for help.
我帮了Linda问帮 (?)

我帮助Linda请求别人的帮助

if you want to use the word "help" as a nonu, in Chinese it should be "帮助". Basically, "帮" is used as a abbreviation for "help" when it is used as a verb.

Mandarin/Eng Vocab: help & ask

1) They helped her/him.
他们帮了她/他。

2) They helped Linda.
他们帮了Linda。

3) They helped Linda's school.
他们帮了Linda'的学校。

4) They asked you for your help.
他们问了你的帮。

5) We asked your for Linda's help.
我们问了叫你去问Linda的帮助/忙。

6) I helped Linda to ask for help.
我帮了Linda 去找问帮助 (?)

Mandarin/Eng Vocab: help & ask 帮助（帮忙）与请求帮助（要求帮助）

1) They helped her/him.
他们帮（帮助）了她/他。

2) They helped Linda.
他们帮（帮助）了Linda。

3) They helped Linda's school.
他们帮（帮助）了Linda'的学校。

eg:They helped Linda's school to get through the financial deficit.

     他们帮（帮助）了Linda的学校度过了财政危机。

4) They asked you for your help.
他们问了你的帮。 他们请求(得到）你的帮助。

5) We asked your for Linda's help.
我们问了Linda的帮。 我们请求你去帮助Linda.（我们帮/替Linda向你请求帮助）

6) I helped Linda to ask for help.
我帮了Linda问帮 (?) 我帮/替Linda寻求帮助。 

hope it helps:) 希望能对您有帮助。