Dont say: We should obey to our teachers.
✔️Say: We should obey our teachers.
Allow (to) or let (= give permission to).
❌Don’t say: The driver allowed/let to John (to) sit in the
✔️Say: The driver allowed/let John (to) sit in the front
Behind (= at the back of).
❌Don’t say: Edward hid behind of a large tree.
✔️Say: Edward hid behind a large tree.
Tell (= say to).
❌Don’t say: I told to him to come at once.
✔️Say: I told him to come at once.
Inside (= in the interior of).
❌Don’t say: The boys went inside of the room.
✔️Say: The boys went inside the room.