Answer:
yes there can be a sentence like that in my oppinion
<em>Hanna which part of Flowers For Algernon I am also working on that in ELA just tell me which part and I will change the answer to the one u need.</em>
A Constrain is something that imposes a limit or it means to prevent something from occurring.
Example of a sentence: We had to terminate the project due to time constraints.