There is no preposition in that sentence.
The aeroplane flew in the sky. 'In' is a preposition in this sentence
The high flying jets left long contrails marking their paths through the sky.
The prepositional phrase is "...across the sky." "Across" is the preposition, and "the sky" is the object of the preposition.
The plane flew over Lake Michigan.
The ibis flew into the sky with glory.
I flew solo across the sky , or , I sang a solo
on
The tense of this sentence is past tense.
Any comparison that uses like or as is a simile. Otherwise it is a metaphor. Like a giant bird flapping its wings, the airplane flew over the field. Simile. The airplane accelerated down the runway and with a mighty leap the giant bird flew into the sky. Metaphor
No, rain is not a preposition. Rain is a noun referring to water that falls from the sky in drops. Prepositions are words that show the relationship between a noun or pronoun and other words in a sentence.
The pronoun 'that' is functioning as a demonstrative pronoun as the subject of the sentence 'that was your conclusion'. The pronoun 'that' is taking the place of the noun 'conclusion'.It's a bit easier to see if you place the parts of the sentence in a different order:That was your conclusion about the strange lights in the sky, a new airplane? (that = conclusion)
Sky Eats Airplane was created in 2005.
We found jets flying up in the sky. Jets flew above my head. A group of jets almost flew into my face. Jets are totally my thing! <3