If you'd stop saying that vs Knock it off vs Stop it

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

If you'd stop saying that

Top 5,000 (fairly common)

Knock it off

InformalTop 3,000 (common)

Stop it

InformalTop 1,000 (very common)
Most formal: If you'd stop saying thatMost common: Stop it
 If you'd stop saying thatKnock it offStop it
Pronunciation🇬🇧 //ɪf jʊd stɒp ˈseɪɪŋ ðæt//🇺🇸 //ɪf jud stɑp ˈseɪɪŋ ðæt//🇬🇧 //nɒk ɪt ɒf//🇺🇸 //nɑk ɪt ɔf//🇬🇧 //stɒp ɪt//🇺🇸 //stɑp ɪt//
MeaningA phrase telling someone to stop talking in a certain way.Stop doing something annoyingTo tell someone to cease their actions.
ExampleIf you'd stop saying that, we could actually have a productive discussion.Can you just knock it off with the loud music?If you keep making that noise, I will have to say, 'Stop it!'
RegisterNeutralInformalInformal
How commonTop 5,000 (fairly common)Top 3,000 (common)Top 1,000 (very common)
Collocationsstop saying that, ask them to stop, request to ceaseknock it off with the jokes, knock it off right now, please knock it offjust stop it, please stop it, stop it right now
Antonyms-continue, persist-
Common mistakesMisusing 'if' without the correct conditional structure., Forgetting to use 'would' in the conditional phrase., Overusing in formal communications where a softer tone is needed.Using it in formal situations., Confusing it with commands for physical activities., Not understanding the tone can be playful or serious.Using in formal discussions or settings., Mispronouncing as 'stopped it' in context., Confusing with similar phrases like 'cut it out'.
Usage notesUsed when expressing frustration or annoyance about someone's repetitive remarks. It’s suitable for informal conversations but may not fit well in formal settings.Use this phrase when asking someone to stop a behavior, often in a lighthearted or frustrated tone. It is best suited for casual conversations among friends.Used in casual contexts to command someone to halt a behavior. Avoid in formal situations.

See it in real clips

If you'd stop saying that
Knock it off
Stop it

Frequently asked questions: If you'd stop saying that vs Knock it off vs Stop it

What's the difference between If you'd stop saying that, Knock it off, and Stop it?

If you'd stop saying that: A phrase telling someone to stop talking in a certain way. Knock it off: Stop doing something annoying Stop it: To tell someone to cease their actions.

Which is more formal: If you'd stop saying that, Knock it off, and Stop it?

If you'd stop saying that is the most formal of these.

Which is more common: If you'd stop saying that, Knock it off, and Stop it?

Stop it is the most common in everyday English.

Can you show an example of each?

If you'd stop saying that: If you'd stop saying that, we could actually have a productive discussion. Knock it off: Can you just knock it off with the loud music? Stop it: If you keep making that noise, I will have to say, 'Stop it!'

Can I use If you'd stop saying that, Knock it off, and Stop it interchangeably?

Not always. If you'd stop saying that, Knock it off, and Stop it 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.