Japanese Education ~4~ English part 2

 When I am teaching students English, I found a few things.
The English beginners often make some mistakes because of
the differences of rules between Japanese and English.
 Today, I introduce some of them.

1  The beginners don't start writing from the big character,
such as... what time is it now?
   Our language doesn't have the difference of big character
and small character.

2  The beginners don't add "?" at the end of the sentence of
an interrogative sentence.
   We don't usually use "?" in the literary expression.
(Casually, people may use it)

3  The beginners tend to have difficulties to distinguish between
 "b" and "d". For example, students write "dook" instead of "book".
 Or, "Yes, I bo." instead of "Yes, I do."

4  Japanese language don't have the concept of "the plural". So,
  we need to study it, taking time.

5  Japanese people have a lot of difficulties to distinguish "r"sound
 and "l"sound.

6  Japanese learners(including me) have difficulties to know in what
cases we need to use "a" and"the". Actually, there is a general
explanation. You use "a", you should use it if it's countable noun.
But it's confusing. And I don't know exactly in what cases people need to
use plural expressions.

7 A preposition is one of the most difficult things when we speak
or write English.