Use cannot as the standard form, can’t as the contraction, and can not only when not belongs to a separate phrase such as not only.
schedule
Must, Mustn’t, Have To and Prepositions in School Notices Exercise
A2 ESL multiple-choice gap-fill exercise focused on common school notice language, permission, obligation, schedules, locations, and everyday instructions.
Reported Speech (Advanced Tense Changes) Exercise
Level: B2. Focus: Reported Speech (Advanced Tense Changes) with clear time and sequence cues.
Canvas vs. canvass: what is the difference?
Canvas is fabric or a painting surface. Canvass means to seek votes, opinions, or support. Learn the difference with clear examples.
Desolate vs. isolated: what is the difference?
Desolate suggests emptiness and bleakness. Isolated means alone or separated. Learn when each word fits, with clear examples.

