1- Tv shows . you have to watch a lot of Tv shows not Movies . Movies will not improve your Arabic as Tv shows .
2- You have to use some small sentence to make a bigger sentence or make dialog. Or some advanced word to make a new sentences . for example:
فى العالم التالىNext yearيعنى حوالى 3 شهورThat's about 3 months (from now)تقريباApproximately You can use these words or small sentence to make a dialog
3- You have to speak with one native speaker . or Arabic teacher