avoid sth being / to be too

[uktous]

Hi,

Which sentence is more idiomatic?

Sentence1:
We need to avoid the presentation to be too complex.
Sentence2:
We need to avoid the presentation being too complex.

Thanks

[euncu]

Which sentence is more idiomatic?

I'm neither a teacher nor a native-speaker, so I may be wrong but I couldn't see why these sentences have something to do with idioms. But if you meant
to ask which one of them was grammatical, I'd say that the second one is grammatical.

Gerunds after Certain Verbs