Meaning & use
support in or on
Last updated
Meanings
phrasefixed phrase
Used to ask or explain which preposition follows the verb 'support' in a sentence.
Grammar: It is a search-style phrase, so it appears in questions or headings rather than in normal sentences.
Patterns
- support someone in something
- support someone on something
She asked her teacher about 'support in or on' before writing the email.
The grammar guide has a short section called 'support in or on'.
When you are unsure about 'support in or on', check what comes next in the sentence.
phrasefixed phrase
Use 'support in' when someone helps you with an activity, a group, or a process.
Grammar: The pattern is support + someone + in + noun or -ing form.
Patterns
- support someone in something
- support someone in doing something
- support someone in a decision
My parents supported me in my decision to study abroad.
The whole team supported her in running the marathon.
They supported us in the project from start to finish.
phrasefixed phrase
Use 'support on' when someone agrees with your opinion or position about a topic or issue.
Grammar: The pattern is support + someone + on + a topic, issue, or decision.
Patterns
- support someone on an issue
- support someone on a topic
- support someone on a decision
The senator supported the mayor on the new tax plan.
Most of my friends supported me on this issue.
He supported the committee on its decision to delay the vote.
Common combinations
- support someone in a decision
- Her family supported her in her decision to move.
- support someone in doing something
- They supported him in starting his own business.
- support someone on an issue
- The group supported the candidate on environmental issues.
- support someone on a topic
- I supported her on the topic of school funding.
- support someone in a project
- Our manager supported us in the project.
Synonyms and how they differ
- back
- More informal and often means giving active help or money, while 'support' is wider and can be emotional.
- help
- Focuses on doing something useful for someone; 'support' often adds encouragement or agreement.
- agree with
- Means having the same opinion; 'support on' often includes saying so publicly.
Opposites
Word family
- supporter noun
- A person who supports a team, idea, or politician.
- supportive adjective
- Giving help and encouragement to someone.
- support verb
- To help or encourage someone or something.
- support noun
- Help, encouragement, or money given to someone.
Commonly confused: support in or on or support of? support in or on or support for?
support in or on vs support of
'Support of' often means approval for something, as in 'in support of the plan', while 'support in' names the activity and 'support on' names the topic.
support in or on vs support for
'Support for' means the help or approval given to a person or idea, as in 'support for the proposal', not the activity or topic pattern.
Practice
Which sentence uses the correct preposition?
Choose one answer.
'Support someone in a decision' treats the decision as the activity or step being encouraged. 'On' fits topics and issues ('supported me on this issue'), 'at' does not fit this pattern, and 'for' would mean she gave help because of the decision, not that she encouraged it.
Make it your own
Write a sentence using “support in or on”, then check it and compare it with the examples above.