I'm really good at this but on number 1: it makes the sentence sound interesting. I know I did not help but I just want to give you an idea.
Answer:
1. Try to do it <u><em>yourself</em></u>.
2. She learned speaking English <u><em>herself</em></u>.
3. The student worked out the sum <u><em>himself/ herself</em></u>.
4. I want to meet the Headmaster <em><u>himself</u></em>.
5. I run the business <em><u>myself</u></em>.
6. I am looking for this color <em><u>itself</u></em>.
7. He did it <em><u>himself</u></em>.
Explanation:
Self pronouns are those personal reflexive pronouns that end in -self/-selves. They are used to reflect the personal pronouns in the sentence when it refers to the same subject/ noun of the verb in the sentence.
1. Try to do it <em><u>yourself</u></em>.
2. She learned speaking English <em><u>herself</u></em>.
3. The student worked out the sum <em><u>himself/ herself</u></em>.
4. I want to meet the Headmaster <em><u>himself</u></em>.
5. I run the business <em><u>myself</u></em>.
6. I am looking for this color <em><u>itself</u></em>.
7. He did it <u><em>himself</em></u>.
False, timelines allow time to be shown by date
