Definition Of Adverbs Of Reason:
These Adverbs express the reason for or purpose of an action

Example Sentences

She therefore left college
The teacher is ill and therefore is unable to come to school
Michel was hence neglected by the teachers
He gets the award consequently of his talent
The bell rang so he left the school
He said thus to accept
On account of rain the match was postponed
Since it is hot, I am very tired

Learning Competency

Modal auxiliaries Vs Primary auxiliaries
Primary auxiliaries are be, do, have. They are used to form tenses and to frame short answers.
Modal auxiliaries are will, would, may, might, shall, should, can, could, must, dare, need, used, ought. They are used to express moods.