In this task, you will be given a sentence or two along with a change aspect. You should change the given text in the given aspect. Aspects are explained below:
 Tense: Change the tense of the verbs in the text. If they're in past tense, change them to present, and if they're in present tense, change them to past tense.
Number: Change the number of the nouns in the given text. Make plurals into singles and single into plurals. Remember to change the corresponding pronouns accordingly.
Voice: If the verbs are in active voice, change them to be passive, otherwise, change them to be in active voice.
Adverb: add one or multiple adverbs to the text.
Gender: If the text contains female names and pronouns, substitute them with male names and pronouns. Do the same for sentences with mala names and pronouns.
--------
Question: sentence: John couldn't see the stage with Billy in front of him because he is so short . aspect: Voice

Answer: The stage couldn't be seen by John with Billy in front of him because he is so short .


Question: sentence: There is a gap in the wall . You can see the garden behind it . aspect: Voice

Answer: There is a gap in the wall . The garden can be seen behind it .


Question: sentence: This morning , Joey built a sand castle on the beach , and put a toy flag in the highest tower , but this afternoon the wind knocked it down . aspect: Tense

Answer:
This morning , Joey is building a sand castle on the beach , and putting a toy flag in the highest tower , but this afternoon the wind will knock it down .