English grammar

How to use although, though and even though
Alex Case
Similarities and differences between “although”, “though” and “even though”, with comparisons to “but”, “while” and “despite/ in spite of”

Key grammar points for English learners
Altiné Moumouni
Some simple grammar rules that are key to your understanding

5 Common Subject-Verb Agreement Mistakes of ESL Students
Mark Nichol
It’s not always easy to get the verb and the subject to agree in terms of number. Even native speakers sometimes get that wrong.