How to Use "Could," "Would," and "Should"

"Could," "would," and "should" are modal verbs used in English to express different ideas and levels of possibility, probability, obligation, or hypothetical situations. Here's how you can use them:


 

 Could

 

"Could" is the past tense of "can" but is also used to express possibility or ability in the present or future.

It can suggest a hypothetical situation or a less definite possibility compared to "can."

 


 

 

 Example:

 

 


"I could go to the party tonight if I finish my work on time." (Expresses possibility)

 




"She could speak French fluently when she was younger." (Expresses past ability)

 



 

 

 Would



"Would" is often used to express a future action or event that is likely to happen based on conditions or situations.



It's used to express willingness, preferences, habits, or to make polite requests or offers.

 

 

 

 

 Example:

 

 

 


"If it rains, would bring an umbrella." (Expresses a future event based on a condition)

 

 



"He would always help his friends whenever they needed it." (Expresses habitual action in the past)

 

 



"Would you like some tea?" (Polite)

 

 








 

 

 Should



"Should" is used to express obligation, duty, expectation, or advisability.



It can also suggest the correct or best course of action.

 

 

 

 

 Example:

 

 

 


"You should finish your homework before watching TV." (Expresses obligation)

 

 



"I should call my parents to let them know I arrived safely." (Expresses advisability)



"The government should take action to reduce pollution." (Expresses expectation or duty)