No we hardly use any contract rations. Some words are said in the same breath just like in any language though. But there is no dispearing ie in gaan niet. (At mist you could hear gaanniet)
The only contractions I can think of but these are only in very informal written language you would find any contractions in formal language. Well apart from the times of the day which are actually a relic of the case system
's middags etc
The informal ones are
For the third time, she has marked me wrong, and I wrote it EXACTLY word for word the same!!!! Does she hate me??? She seems to make me wrong almost all the time, whereas Mr. Green almost always marks me right!!! He'll say I have a typo, never wrong. But Ms. Red almost always makes me wrong, over and over and over again.