“The reason is because he was late.”
Grammar Entry 674 / 1011 60-second read
The reason is because vs. The reason is that
Redundant.
The comparisoni
“The reason is that he was late.”
The ruleii
¶
REASON IS THAT.
"Because" means "for the reason that" — so "the reason is because" is redundant.
Memory aidiii
Remember it like this
Use THAT.