Question: The most common word in the english language?
Disambiguated questions and answers: question: The most common of all wordw in the english language?
The most common noun in the english language?
The most common verb in the english language?
The most common adjective in the english language?
The most common preposition in the english language?
answer: the
time
be
good
to
Natural Questions answer: the (from the Wikipedia article "Most common words in English")