[JLPT grammar] 母にてつだってあげました→Incorrect

Today I am going to share the homework correction quoted from my JLPT N4 course!
The student’s sentence is not correct. Can you find the mistake?

 

[Student’s sentence]

昨日母にてつだってあげました。

*昨日(きのう)
母(はは)



 

[My correction]

昨日母てつだってあげました。
→昨日母「」てつだってあげました。
I helped my mother yesterday.

The sentence particle doesn’t change with or without 〜てあげる.
Don’t think of に as a particle for 〜てあげる

If you remove 〜てあげる in your sentence, it is 母にてつだった, but てつだう always use を to mark a person who receives help.
×母にてつだう
◎母てつだう

When you add 〜てあげる, it should be 母てつだってあげる.

 

I hope it helps you.😊

 

In the JLPT course, all lessons come with homework, if you submit your homework, I will reply with corrections.
I can break down the Japanese grammar and point out mistakes, explaining the structure and nuances of Japanese in an easy-to-understand way.
You can also ask me any questions as much as you want. I will teach you until you get it!

 

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