A dire la verità is an expression that means " Honestly, to tell the truth "

Si possono fare le correzioni ? Is correct and "Dall' ospedale" is the correct version because you can't keep two vowels together.  and I am just now noticing that you already have your answers above ! :-)

You write "dell'ospedale " and no " del ospedale " , because there're two vocals near : dell(o)  (o)spedale . We call this ELISIONE .

"correzioni " is plural .

I hope you understand me !

Ciao 

Thanks Domenico. 

Why dell'ospedale - isn't ospedale masculine and would therefore take del? 

And Si possono because le correzioni is plural? 

Thanks Again!! 

"a dire il vero" sounds better

"si possono fare le correzioni"

"dell'ospedale"

ciao