Try to think in English rather than in ur native language. But speaking practice is very important to achieve fast speed

'your' should be used here. 'you're' stands for 'you are'.

to improve ur writing mistakes you can do the following things... 1. post the sentence whichever u doubt to be incorrect at this forum 2.keep yourself updated with the tips given by the app 3.you must be a regular reader of English newspaper or u can go through the article provided by the app 4.most importantly, ur grammatical base must be very strong...

never use ' belong to' here