We must conserve water.

Meaning: This sentence urges the speaker and others to use water wisely and avoid waste.

Choice of Words: We is the first-person plural pronoun used to refer to the speaker and others. Must is used to express necessity or obligation. Conserve means to use something carefully and not waste it. Water is the liquid we drink and use for cleaning and cooking.

Alternative Expressions

Related Expressions

• We must conserve water to protect the environment.
• We should conserve rainwater.
• Recycling helps conserve natural resources.
• Conserve energy.
• Water must circulate.
• We must clean our room now.
• I must keep my secret safe.
• We must help the injured dog.
• You must go to bed now.
• It's late and you must go to bed now.