Separable Object can go in the middle or after.
Inseparable Object always goes after the particle — never in the middle.
Intransitive No object needed — the verb stands alone.
fall downIntransitive
To fall to the ground; to fail or collapse (a plan, system, or argument).
"The old fence finally fell down." / "The plan fell down because no one communicated clearly."
fall outIntransitive
To have a serious argument with someone; to drop out or become detached.
"Tomás and the lead singer fell out badly over creative differences." / "Her hair started falling out from stress."
fall behindIntransitive
To not keep up with others or with a schedule; to be late on payments.
"He fell behind on rent after losing two gigs in a row." / "Don't fall behind — submit your work on time."
fall apartIntransitive
To break into pieces; to stop functioning; to lose emotional control completely.
"The band started to fall apart after the argument." / "She held it together publicly but fell apart when she got home."
fall forInseparable
To be deceived by something; to fall in love with someone.
"Don't fall for that trick — it's a scam." / "He fell for her the moment they met."
fall throughIntransitive
To fail to happen; to collapse as a plan or deal.
"The recording plans fell through when the studio cancelled at the last minute."
fall offIntransitive
To decrease in quantity or quality; to detach and drop from a surface.
"Ticket sales fell off sharply after the lead singer left." / "The handle fell off the cup."
fall back onInseparable
To rely on a reserve, skill, or support when other options fail.
"When the band broke up, he had his songwriting to fall back on." / "Always have a plan B to fall back on."
fall in withInseparable
To join or become associated with a group; to agree with a plan.
"He fell in with a group of talented musicians in Puntarenas." / "She fell in with their proposal after some discussion."
fall overIntransitive
To trip and fall; to topple; to be so exhausted or surprised you can barely stand.
"He nearly fell over from exhaustion after the long rehearsal." / "She almost fell over when she heard the news."
📖 When Everything Falls
Tomás had been playing guitar since he was twelve. By thirty, he had fallen in with a group of talented musicians in Puntarenas — a band that seemed ready, finally, to record their first album.
Then everything began to fall apart. Tomás and the lead singer fell out badly over the album's direction. The lead guitarist — Tomás's closest friend — fell for the singer's version of events and sided with him. Suddenly Tomás was alone. The recording plans fell through when the studio cancelled at the last minute. Ticket sales for their scheduled concert fell off sharply. Tomás fell behind on rent.
One evening on the dock by the Pacific, Tomás nearly fell over from emotional exhaustion. Everything he had worked toward seemed to be falling down around him.
But Tomás didn't fall apart completely. He had something to fall back on: his acoustic guitar, his songs, and his family. His mother refused to let him fall for the idea that he was finished.
Slowly, he started performing solo in small cafés. Audiences grew. Within two years, his work was receiving national attention. "Falling down isn't the problem," Tomás said in an interview. "The problem is falling for the lie that you can't get back up."
