@oristarA,
Every English speaker on the planet compacts their speech, Ori, even in quite formal situations.
These verbal shortcuts are the bane of ESLs who are often used to viewing only the written word.
Englishngrammar - might be heard by an ESL as
English in grammar.
There are of course many many many more examples.
Yadonhafta if ya donwanna.
Each reduction, and there certainly are many, follows the rules for reducing sounds in speech and English speakers follow these rules fastidiously, each according to their own dialects. That's why it sometimes difficult for English speakers to follow the speech of other English dialects.
a trust we bear and pass along
might sound like this;
a trust we bearen pass along