The English language is full of rules and irregularities, so if you’re having trouble keeping track of all of them, you’re not alone. An important grammar rule to know is which nouns can and can’t be ...

When the right words team up in a sentence, it just sounds right. But when words clash, your ears tell you something’s off. That’s where the rules of concord swoop in to match up words properly.

Examples of iterating countable set. I think, if I made mistake maybe some of them is not one-to-one correspondence. If you found those mistakes, please make issue.