I prefer A to B
I prefer studying alone to studying in groups.
I like A better/more than B
I like reading funny stories more than reading serious ones.
I think/believe (that) A is better than B
I believe that taking tests is better than writing papers.
In my opinion, A is better than B
In my opinion, studying in a classroom is better than studying online.
Given the choice of A and B, I would choose
Given the choice of going to the beach for vacation or going to the mountains for vacation, I would choose going to the beach.
Giving Reasons
I prefer ~ because S + V~
I prefer paper back books to hard cover books because paper backs are cheaper
There are several reasons why I prefer ~
There are several reasons why I prefer taking tests to writing papers.
The first reason is that S+V ~
The first reason is that studying alone is studying alone helps me focus on my
work.
The second reason is that S+V ~
The second reason is that reading funny stories at the end of the day help me to relax.
The last/final reason is that S+V~
The last reason is that studying in a classroom provide me with more opportunities to interact with other students.
Giving Supporting Details
Comparing and Contrasting
Some people think~ but I don't think so
Some people think that writing papers is a better assessment of learning but I don't think so.
I prefer ~ while other people~
I prefer to go to the beach for vacation, while other people prefer going to the mountains.
On the other hand, S + V ~
By studying in a group, you can share notes. On the other hand, it is easy to get distracted.
In contrast/ On the contrary, S+V ~
Living in a large city allows you to enjoy a large variety of activities. In contrast, living in a small city provides you with only a few things to do.
Although/Though, S+V~
Though living in the dormitory at school offers a number of benefits, living in an apartment, off campus also has its advantages.