1.Fall asleep: To go to sleep
2.Fall behind: To lag behind or fail to keep up with something
3.Fall for: To be deceived or fooled by someone or something
4.Fall in love: To develop romantic feelings for someone
5.Fall off: To decrease or diminish in quality or quantity
6.Fall out: To have a disagreement or argument with someone
7.Fall through: To fail to happen or be completed as planned
8.Fall apart: To break or disintegrate into pieces or parts
9.Fall in: To collapse inward or cave in
10.Fall back: To retreat or withdraw from a position or situation.