Hard to shift gear why?

What is your question?

My car is manual transmission. It started with its hard to shift from 1 to 2 and to 3 to 4. Especially if its in neutral. And all of a sadden the whole engine just shut down. All lights are on and good conditions. Strong battery but wont start even when i press the clutch..I turn off the whole engine off and let it rest for 10 mins and give it a go..it was amazing it starts but still the gears are hard to shift..please why???