For the last 3 months I use've been riding a bicycle go to work.

Sure, that is not the fastest transport tools to go to work placemeans of transportation.

Is noNeither is it comfortable too.

Especially, last week was hot or heavily, when it was very hot or rainy weather.

But one thing you can’t arguedeny is the freedom of riding.

If I saw no body awas cross the trafficing at the light I willcould just going forward.

Last week because the rain was too big.heavy,

So,so I haved to take a bus instead of a bicycle.

have - present tense
had - past tense
since you are talking about what happened in the past, you use "had".

The bus takes the same amount of time compare toas using a bicycle.

But the bus hads to stop at each post.

Doesn’t matterRegardless of the actual time line.

For the last 3 months I use've been riding a bicycle to go to work.

Sure, that is not the fastest means of transport tools to go to work place.

It is not comfortable too.

Especially, last week, when it was hot or heavily rain weathering.

But one thing you can’t argue against is the freedom of riding.

If I sawee no body acrosshead the traffic light I will just continue going forward.

Last week because the rain was too bigheavy, so I had to take a bus instead of riding my bicycle.

The bus takes the same amount of time compare to using(to reach the destination) as the bicycle.

That feeltakes so long!