demonstrated

IPA/ˈdem.ən.streɪt/
KK[dˈɛmənstrˌetɪd]IPA/ˈdem.ən.streɪt/

demonstrated — verb

  • demonstratedpresent simple I / you / we / they
  • demonstrateds3rd person singular
  • demonstrateding-ing form
  • demonstratededpast simple

1. to let facts, actions, or results prove that something is true or make a point e

1.動詞及物B2
釋義

to let facts, actions, or results prove that something is true or make a point easy to understand

例句

The lab report demonstrated that the river water was unsafe to drink.

demonstrated that + clause

Rania's budget notes demonstrated how quickly small fees can grow.

inanimate evidence subject

同義詞
  • show

    broader and more everyday; it does not always imply proof

  • prove

    stronger; suggests doubt has been fully removed

  • indicate

    weaker; points toward a conclusion without fully establishing it

  • establish

    more formal; common in legal or academic writing

反義詞
  • disprove

    show that a claim is false rather than true

  • obscure

    make a point less clear instead of clearer

文法句型

demonstrated that + clause

demonstrated + noun phrase

用法筆記

Object is often a fact, pattern, or importance statement, and the verb is common with reports, data, and results. Distinguish from sense 3, where the object is a quality such as patience or leadership rather than a point being proved.

常見錯誤

The survey demonstrated us the danger.
The survey demonstrated the danger to us.
💡Demonstrate takes the point or fact as its object, not the person learning it.

2. to teach people a method, skill, or product by doing it in front of them and tal

2.動詞及物B2
釋義

to teach people a method, skill, or product by doing it in front of them and talking through the steps

例句

Evelyn demonstrated the bread machine to shoppers at the weekend market.

demonstrated + object + to + audience

The nurse demonstrated how the inhaler worked before Hiro went home.

demonstrated how + clause

同義詞
  • show

    simpler everyday choice for explaining by example

  • illustrate

    often used for explaining an idea with examples or pictures

  • explain

    focuses on words; it does not always involve doing the action

  • model

    used in teaching when someone performs the action for learners to copy

反義詞
  • conceal

    keep the method or process hidden instead of showing it

文法句型

demonstrated how + clause

demonstrated + object + to + audience

用法筆記

Object is usually a device, process, or action being shown to other people. This sense often takes a how-clause or a group introduced with to.

常見錯誤

The trainer demonstrated us the new app.
The trainer demonstrated the new app to us.
💡Put the thing shown after demonstrate, and the audience after to.

3. to make a feeling, strength, skill, or other personal quality visible through wh

3.動詞及物B2
釋義

to make a feeling, strength, skill, or other personal quality visible through what someone says or does

例句

Diya demonstrated real patience while the printer jammed for a third time.

demonstrated + quality noun

Christopher demonstrated strong leadership after the bus broke down.

同義詞
  • show

    neutral everyday choice for making a quality visible

  • display

    slightly more formal; often used with feelings or behaviour

  • reveal

    suggests the quality becomes visible, sometimes unexpectedly

  • exhibit

    formal; common in reports, reviews, and medical writing

反義詞
  • conceal

    hide a feeling or trait instead of showing it

  • suppress

    actively hold back an emotion or reaction

文法句型

demonstrated + quality noun

demonstrated + no + emotion noun

用法筆記

Object is usually a quality, feeling, or ability noun such as patience, courage, interest, or control. Distinguish from sense 1, which proves a fact rather than revealing a trait.

常見錯誤

She demonstrated to be calm during the fire drill.
She demonstrated calm during the fire drill.
💡Demonstrate takes a noun for the quality shown, not a to-infinitive.

4. to take part in a public protest, often by gathering, marching, or carrying sign

4.動詞不及物B2
釋義

to take part in a public protest, often by gathering, marching, or carrying signs to show opposition

例句

Hundreds of students demonstrated outside city hall after the bus fares rose.

demonstrated outside + place

Folake demonstrated with hospital workers during the one-day strike.

demonstrated with + group

同義詞
  • protest

    direct everyday equivalent for showing public opposition

  • march

    stresses walking together as part of the protest

  • rally

    focuses on gathering people together, often in one place

反義詞
  • comply

    accept the decision instead of protesting against it

文法句型

demonstrated against + issue

demonstrated in/outside + place

用法筆記

Usually used about organised public action by a group. Common with against for the thing opposed, and with outside or in for the place where the protest happens.

常見錯誤

Residents demonstrated the new tax.
Residents demonstrated against the new tax.
💡For protests, use demonstrate with against or another place phrase, not a direct object.