Answers don’t need a period or question mark. Contractions are recognized, times normalize to “8:00 pm”, and teachers can override scoring for close answers.
| Ability: can/could |
| Advice: should/ought to |
| Obligation: must/have to |
| Permission/Request: may/can/could/would |
No “to” after modals: must go, not *must to go*.
| short adj: taller / the tallest |
| long adj: more interesting / the most interesting |
| irregular: better/best, worse/worst |
| a/an (singular), the (specific), zero article (general plurals/uncountables). |
| some/any, much/many, few/little, a few/a little. |
| in months/years/periods; on days/dates; at clock times. |
| Place: at a point, in an area, on a surface. |
| Positive main clause → negative tag: He is tired, isn’t he? |
| Negative main clause → positive tag: You don’t mind, do you? |
| Be careful with I am → aren’t I? |