Common Grammar Confusions
A1–B1Pairs of words and structures that learners often mix up, side by side so the difference finally sticks.
Lessons in this category
Choosing between a and an based on sound, not spelling.
Habits and facts vs actions happening right now — telling the two present tenses apart.
Too much/many and enough — expressing excess and sufficiency.
Since + a point in time, for + a period of time — with the present perfect.
A finished past action vs a past action connected to now — the classic confusion.
Result vs duration — two ways to talk about something that started in the past and continues.
Three similar-looking structures with three very different meanings.
Has been to vs has gone to — whether someone has returned or not.
So + adjective vs such + noun phrase — two ways to intensify.