In Spanish, there are only two contractions. You must always use these contractions.
When al and del precede a proper noun, you must write out the whole words a El and de El.
The subject pronoun él never forms a contraction.
Don't you just hate grammar rules? Unfortunately, learning grammar involves learning rules.
In grammar, learn the rule. Then, learn the exception to the rule. Then, learn the exception to the exception! It can't be a rule if it doesn't have an exception.
