Assistance vs They've done us a great favor

When to use each in English, with meaning, register, and examples.

Assistance

Top 2,000 (common)B2noun

They've done us a great favor

Top 2,000 (common)
 AssistanceThey've done us a great favor
Pronunciation🇬🇧 /["/əˈsɪstəns/"]/🇺🇸 /["/əˈsɪstəns/"]/🇬🇧 //ðeɪv dʌn ʌs ə ɡreɪt ˈfeɪ.vər//🇺🇸 //ðeɪv dʌn ʌs ə ɡreɪt ˈfeɪ.vɚ//
MeaningHelp or support.They helped us a lot.
ExampleShe offered her assistance to the elderly man who was struggling with his groceries.They've done us a great favor by helping us move last weekend.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechnoun
Collocationsconsiderable, great, real, give somebody, lend (somebody), offer (somebody), with assistance, without assistance, assistance  forask for a favor, do someone a favor, return the favor
Antonymshindrance, obstacle, impediment-
Common mistakesUsed in informal contexts where 'help' is more appropriate., Confused with 'assisting' which is a verb., Incorrectly pluralized as 'assistances'.Using 'make' instead of 'do' (e.g., 'They've made us a great favor')., Confusing 'favor' with 'favour' in British English., Adding unnecessary modifiers (e.g., 'They've really done us a great favor').
Usage notesUse 'assistance' in formal contexts, such as in professional or written communication. It's less common in everyday conversation, where 'help' is preferred.Used in both formal and informal contexts to express gratitude for help. Common in everyday conversations.

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Assistance
They've done us a great favor

Frequently asked questions: Assistance vs They've done us a great favor

What's the difference between Assistance and They've done us a great favor?

Assistance: Help or support. They've done us a great favor: They helped us a lot.

Can you show an example of each?

Assistance: She offered her assistance to the elderly man who was struggling with his groceries. They've done us a great favor: They've done us a great favor by helping us move last weekend.

Can I use Assistance and They've done us a great favor interchangeably?

Not always. Assistance and They've done us a great favor are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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