If only there is no negative meaning in it

If only indicates a strong desire and regret.

Translated as: if. That's it; Hope.

When people express their wishes and regrets, they actually have a negative meaning in them.

For example: I wish he could come. (He hasn't come yet) It would be nice if you could be here. (Actually, you're not here).

There's a famous book called <>I hope it's true, and it's really good (it's not true).

if only indicates the subjunctive mood, such as.

if only i were you!If I were you.

if only (expressing a strong wish) That's it;

if only he wouldn't eat so noisily.I wish he hadn't eaten so loudly. /if he would only learn to eat quietly!

I wish he could learn to eat quietly!

only if indicates a condition.

only if"Only"；if only means"If ......That's it; "。If only can also be used in a declarative tone.

i wake up only if the alarm clock rings.I don't wake up until the alarm goes off.

Sometimes it's ironic.

It's a hypothetical sentence, and in terms of language, I think the next thing is unlikely to happen.

The difference between the usage of only if and if only is as follows:

First, the pronunciation is different.

if only: English [if unli]; Beauty [ f onli].

only if:英 [ unli if]; Beauty [ onli f].

Second, the meaning is different.

only if: unless; Only....Only; Only, only when....

you can make progress only if you are modest.

But humility is progress.

if only: only; Hope.

if only i could be master of this subject.

How I wish I could be proficient in this subject.

Third, the usage is different.

if only: It is often used to express a strong desire, because it is similar to a wish when used in a subjunctive statement, expressing a strong regret or a wish that does not match the real conditions. Therefore, it is used in the same form as the Traveler Wish.

only if only ......; The true conditional sentence of the declarative tone is used to induce the loss of the anti-roll.

i wake up only if the alarm clock rings.I don't wake up until the alarm goes off.

if only the alarm clock had rung.When the alarm went off, it was fine.

only if only ......; Only; Just in the ......When; Never....Unless....(can be at the beginning of the sentence).

if only 1.If yes, only.

2.What if....How nice.

3.Exactly, that is, exactly.

If only, we generally only learn one meaning of it in school.