1- Collocations can be described as combinations of words that are likely to come together to perform pragmatic functions. Bearing this in mind, choose the correct alternative.

Strong collocations are the ones that present a likely combination of words, portraying lexical items that tend to come together.

Strong collocations are idioms, expressions whose real meaning can only be fulfilled when expressed together as a whole.

Fixed collocations present a less likely combination of words.

Although they may come together in some constructions, they have more flexibility.

Weak collocations are the ones that present a likely combination of words, portraying lexical items that tend to come together.

Fixed collocations are the ones that present a likely combination of words, portraying lexical items that tend to come together.