When something absolutely has to be done and cannot be put off, use the adjective imperative. Imperative is from Latin imperare to command, and its original use was for a verb form expressing a command: Do it! is an imperative sentence. It's still used that way, but it's more commonly applied to something so pressing it cannot be put off: Hiring new workers has become imperative..
1 A tandem (dual) axle utility trailer starts at $1,200-$3,000 depending on size and weight capacity, and it can cost $4,000-$7,500 or more for commercial-quality utility trailers.
Common Mobile Office Trailer Sizes. 1  Small trailers, generally 8' X 20', usually cost $100 to $200 per month. 2  Mid-sized trailers, often 10' X 40', run $150 to $300 per month. 3  Large single-wide trailers in the standard 12' X 60' size range from $300 to $500 per month.