Changing words into nouns

Are the following sentences grammatically correct? If not, please find out the mistakes.

1. You should try to develop your leader skill.

2. Please give me some suggest that help me to improve my English.

3. The describtion was extremely unclear and I could not follow.

Answers

1. You should try to develop your leader leadership skill.

2. Please give me some suggest suggestions that help me to improve my English.

3. The describtion description was extremely unclear and I could not follow.

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