Answer:
<em>The active voice supposes the presence of an agent subject, that is, of a subject who performs the action of the verb directly or actively. The passive voice presents a patient subject, that is, a subject on whom the action carried out, then, by an agent complement, falls passively.</em>
Explanation:
<h2>Mexican ♥</h2>
Answer:
Difficulty
Explanation:
Space exploration was the last thing the world could have thought of dabbing into because the idea of moving away from the earth and flying in the sky wasn't even an easy one for man, hence the difficulty attached with going into other planets was a big success.
Many trials were made before the eventual success experienced, this many difficulties man overcame is what is meant by barrier in this sense.
The correct answer would be helping verbs. The helping verbs are combined with the main verbs to indicate time, possibility and other kinds of meaning. The helping verbs' function is to help extend the meaning of the main verbs by adding more detail on it. Helping verbs are very essential in the formation of different tenses of the verb.
