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can’t; see can’t; be seen weren’t; see weren’t; seen
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The night sky is light colored and stars are black. Lights appear at night and stars are seen in the dark. City lights illuminate the night sky and make stars invisible. City lights at night illuminate stars in the sky.
see can see have seen can be seen
"How can scientists use machines to look for a star" "How far away are the stars" "How many years a person would take to go to the next star in a spaceship" "Is there life in space"
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150 stars. hundreds of stars. one thousand stars. more than 14,000 stars.
"How can scientists use machines to look for a star" "How far away are the stars" "How many years a person would take to go to the next star in a spaceship" "Is there life in space"
the night sky is brightly lit up and stars are black. lights appear at night and stars are seen in the dark. city lights at night illuminate stars in the sky. city lights illuminate the night sky, making stars invisible.
"How can scientists use machines to look for a star" "How far away are the stars" "How many years a person would take to go to the next star in a spaceship" "Is there life in space"
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