Grammar lectures
Tier 1: Backbone
3 lectures · reaches 63.7%
Three rules finish six questions in ten
The first Foundation lecture is open now. The other lectures and the drills open with Pro.
Sign in to see more- R1Counting clausesCount subject-verb pairs and conjunctions, and make the two numbers agree.+31.3%p → 31.3%
- R2The head of the subjectCover what sits between the subject and its verb, point at the head, and let the number decide.+23%p → 54.3%
- R3Whose is itDecide an apostrophe by asking whether two nouns are touching — then, and only then, count the owners.+9.4%p → 63.7%