Final answer:
The provided sentences demonstrate the use of comparative and superlative forms, comparing the size of the Indian Railways to other networks in Asia and the busyness of roads at different times of the day.
Step-by-step explanation:
To create sentences using comparative and superlative forms with the provided phrases, consider the following examples:
- Indian Railways is larger than any other railway network in Asia.
- Out of all the railway networks in Asia, Indian Railways is the largest.
- The roads are busier at rush hour than at any other time of the day.
- At rush hour, the roads are the busiest compared to any other time.
These sentences correctly use the comparative forms 'larger' and 'busier', as well as the superlative forms 'largest' and 'busiest' to compare the magnitude or degree of two or more items.