Use the preposition by to express the means or method of doing something:
- They came by train.
- Do you want to go by car or by bus?
- She traveled by plane for the first time in her life.
We use the expression 'on foot', not 'by foot', for walking: “I go to school on foot."
The preposition about means on the subject of, connected with, referring to someone/something:
- This lesson is about prepositions. (= the focus of the lesson is prepositions)
- Let's talk about the exam. (= discuss the exam)
- Tell me about your father. (= what is your father like?)
- He spoke about his research.
Use the preposition like to describe similarities between two things:
- She looks like her mother.
- The cake tastes like heaven.
Use the preposition of to express possession, or to express that something is related or connected:
- He is a friend of mine.
- The color of his eyes is blue.
- Some members of the swimming club took part in the school competition.
Use the preposition with to express that something/someone is accompanied by someone/ something else:
- Come with me. I want to show you something.
- She went home with her friend.
- They always travel with their parents.
Use the preposition without to express the lack of something:
- Please enter without your dog.
- I can't live without you.
- He lived without any money for two weeks.