A teacher writing “He plays / They play” on a whiteboard , the 3rd person singular struggle “Every morning I drink coffee.” To be honest, it's really just a simple sentence, but many ESL learners still find the concept of putting an -s on he/she/it and figuring out the right usage of do/does to be quite complicated. For ESL students, Present Simple tense is generally the first grammar point they encounter after a short phrase-based language learning session, thus the way...
