(1) The correct word order places the subject 'The field' first, followed by the verb 'is marked', then the prepositional phrase 'with a boundary'. (2) The subject 'Everybody' comes first, followed by the verb 'looked at', then the object 'Prakash', and finally the adverbial phrase 'with surprise'. (3) The subject 'I' comes first, followed by the verb 'saw', then the object 'a peacock', the participle 'dancing', and the location 'in the rain'. (4) This is an existential sentence starting with 'There are', followed by the adjectives 'white and grey', the noun 'clouds', and the location 'in the sky'. (5) The subject 'Plants' comes first, followed by the verb 'need', then the object 'fresh water', and finally the time expression 'every day'.