Page "Liaison (French)" Paragraph 5

Conversely, in informal styles, speakers will semi-consciously avoid certain optional liaisons in order not to sound " pedantic " or " stilted ".

Other liaisons lack this effect.

For example Ilsont () attendu (" they have waited ") is less marked than tu asattendu (" you have waited "), and neither liaison is likely to be realized in highly informal speech ( where one might instead hear