Here's a trick authors use -- quit worrying about some perfect first sentence! Just write your work down and get finished. Then go back and make up a great first sentence based on what you have written.
I had to improve my work to go to Sarah SAMs
I hope that my example sentence will improve your understanding.
My teacher wants me to improve on my essay so it will be clearly understood.
That's not a question, improve your sentence structure and I'll improve my answer
Very proud people seldom ask questions.Very few people take the time to improve their grammar.
I will postgraduate in order to improve my score.
The significance of keyword replacements for "is" in a sentence is to vary sentence structure and improve readability by avoiding repetition.
Varying the way each sentence begins
I have a revolutionary plan to improve our product.
These exercises will eventually improve your mobility.
The management decide to improve the inefficient elements of their factory to help improve production.
It is the first sentence of a paragraph which is the topic sentence.