Preparatory Object It
Light pollution and dark skies
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Preparatory Object It
Learn how to use "it" as a placeholder object before longer ideas in formal sentences.
How to use this lesson
👩🏫 For Teachers
Introduce the rules in 3 minutes, allow 9 minutes for practice, and review answers as a group.
🧑🎓 For Learners
Read the rule table carefully, then complete the exercises in order to check your understanding.
Grammar Rules & Patterns
Pattern 1: find / think / consider + it + adjective + to-verb
Fixed ObjectWhen you use words like find, think, or consider, put the word it before the describing word and the action at the end. Keep it in the sentence always.
🌟 Astronomers find it difficult to track faint objects from a bright town.
✨ Stargazers consider it hard to spot the weak starlight near urban centers.
Pattern 2: make + it + possible / clear / difficult + to-verb / that-clause
Action & ClausePut it right after make when adding words like possible, clear, or difficult before the action. You can also say make it clear that before a full idea.
🌟 Shielded lamps make it possible to watch a meteor shower from the park.
✨ The new council rules make it clear that every street fixture must point downward.
Pattern 3: take it that + clause / see to it that + clause
Fixed PhrasesUse take it that when you assume something is true, and see to it that when you promise to make something happen. Never drop the word it here, and use present time after see to it.
🌟 I take it that the council will switch the floodlights off at midnight.
✨ The park ranger will see to it that no heavy spotlight disturbs the wildlife at dusk.
Pattern 4: owe it to + person/group + to-verb
Duty & ResponsibilityUse this pattern when you have a duty to help or respect someone. Say owe it to them to do something, not owe them to do it.
🌟 We owe it to our children to leave them a sky they can look up at.
✨ We owe it to future generations to preserve the view of every distant constellation during twilight.
✅ Correct (Keep "it")
- "The new law makes it possible to build safer lamps."
- "We owe it to the city to reduce glare."
⚠️ Avoid (Missing "it")
- "The new law makes possible to build safer lamps."
- "We owe the city to reduce glare."
12 Interactive Exercises
Part 1 Choose the Correct Sentence
Which sentence uses the preparatory object pattern correctly?
Which sentence uses the preparatory object pattern correctly?
Which sentence uses the fixed phrase correctly?
Part 2 Rewrite Sentences (Add the missing word 'it')
Rewrite the sentence below by adding the one missing word "it" without changing any other words.
"Tourists consider breathtaking to see the night sky without urban glare."
____Rewrite the sentence below by adding the one missing word "it" without changing any other words.
"The new lighting law makes possible to illuminate streets safely while protecting wildlife."
____Rewrite the sentence below by adding the one missing word "it" without changing any other words.
"I take that you will turn off the decorative spotlight before midnight."
____Part 3 Fill in the Gaps
When visiting dark sky reserves, astronomers ____ photograph distant galaxies.
Dimming every residential lamppost will ____ preserve natural twilight conditions.
The park supervisor promised she would ____ every campsite floodlight is turned off by 10 PM.
Part 4 Correct Errors in Messages
Correct the error by typing the complete correct phrase for "owe to our community to":
____Choose the corrected sentence for the message above:
Rewrite the sentence by adding the one missing word "it".
"We owe to future generations to keep our sky free from skyglow."
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