1. The cost of the car is high.
2. The cost of the car is expensive.
3. The fee is low.
4. The fee is cheap.
5. The bus fare is high.
6. The bus fare is expensive.
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Which ones are grammatical?
The cost of the car is high.
The car is expensive.
The fee is low.
The taxi ride is cheap.
5 and 6 are fine.
5 and 6
All six sentences are grammatically correct. They all follow standard sentence structure and use appropriate vocabulary and grammar.
To determine if a sentence is grammatically correct, you can rely on your understanding of sentence structure, vocabulary, and grammar rules. In this case, all of the sentences are simple declarative sentences with a subject (cost, fee, bus fare) and a predicate (is high, is expensive, is low, is cheap). There are no obvious errors in terms of word order or verb agreement, making them grammatically correct.
However, please note that sentences 1 and 2, as well as sentences 3 and 4, have similar meanings. They convey the same information using different words. Similarly, sentences 5 and 6 are also synonymous.