one thing for sure

[blizzy]

Please proofread my sentences.
If there is one thing for sure/certain than this.
If there is one thing that is for sure/certain than it is this.

 

[emsr2d2]

Neither one is correct. I'm not quite sure what you're trying to say. Perhaps you mean "If there is one certain thing, it is this ...". That would then have to be followed by whatever the certain thing is.

 

[blizzy]

Please also take a look at this sentence.
If there is one thing for certain then this.

 

[emsr2d2]

No, that's not correct either.

 

[Charlie Bernstein]

Please also take a look at this sentence.
If there is one thing for certain then this.

If there's one thing for sure, it's that English is a tricky language.

 

[Tdol]

Please also take a look at this sentence.
If there is one thing for certain then this.

If there is one thing that is for sure/certain, then it is this.