Phrasal verbs where the object can go between verb and particle: turn off the light / turn the light off
Verb + object + particle OR Verb + particle + object (noun only)
Don't/Didn't + verb + object + particle
Did you + verb + object + particle?
💡 With pronouns, always separate: pick it up (not pick up it).
✓Please turn off the light. / Please turn the light off.
✗Please turn off it.
Both orders work with nouns; pronouns must go in the middle.
✓I picked up the book. / I picked the book up.
✗I picked up it.
Pronoun must separate: I picked it up.
✓She threw away the trash. / She threw the trash away.
✗She threw away it.
Pronoun: She threw it away.