Cool MateI guarantee you vs I promise you vs I swear to you
When to use each in English, with meaning, register, and examples.
I guarantee you
Top 2,000 (common)
I promise you
Top 2,000 (common)
I swear to you
Top 5,000 (fairly common)
| I guarantee you | I promise you | I swear to you | |
|---|---|---|---|
| Pronunciation | 🇬🇧 //aɪ ˈɡærənˌti jʊ//🇺🇸 //aɪ ˈɡærənˌti jʊ// | 🇬🇧 //aɪ ˈprɒmɪs jʊ//🇺🇸 //aɪ ˈprɑːmɪs ju// | 🇬🇧 //aɪ swɛə tə juː//🇺🇸 //aɪ swɛr tə ju// |
| Meaning | I promise you that something will happen. | I will do what I say. | I promise you that something is true. |
| Example | I guarantee you will love this new restaurant. | I promise you, I will always be there for you. | I swear to you, I've never seen that man before. |
| Register | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 5,000 (fairly common) |
| Collocations | guarantee satisfaction, guarantee results, guarantee success | I promise you everything, I promise you will win, I promise you my support, I promise you won't regret it | swear to you, I swear to God, swear an oath, swear on my life, swear to tell the truth |
| Common mistakes | Omitting 'you' and saying 'I guarantee'., Using 'guarantee' with a noun directly instead of a personal pronoun., Confusing with 'ensure' which implies preventing something. | Omitting 'you' makes it incomplete., Using 'promise' without 'I' sounds unnatural., Confusing with 'I promised you' for future assurances. | Using 'I swear to you' without a clear statement following it., Confusing with 'I promise you' in informal settings., Omitting the 'to you' part, making it sound incomplete. |
| Usage notes | Use in informal to neutral conversations to assure someone. Avoid in highly formal writing or speeches. | Used in various contexts to assure someone. Generally neutral, but can become informal in casual conversations. Avoid in overly formal situations. | Used to emphasize sincerity or truthfulness. Avoid in casual contexts unless suitable for emphasis. |
See it in real clips
Frequently asked questions: I guarantee you vs I promise you vs I swear to you
What's the difference between I guarantee you, I promise you, and I swear to you?
I guarantee you: I promise you that something will happen. I promise you: I will do what I say. I swear to you: I promise you that something is true.
Can you show an example of each?
I guarantee you: I guarantee you will love this new restaurant. I promise you: I promise you, I will always be there for you. I swear to you: I swear to you, I've never seen that man before.
Can I use I guarantee you, I promise you, and I swear to you interchangeably?
Not always. I guarantee you, I promise you, and I swear to you 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.