The noun deer is both the singular and the plural word. Examples:
singular: A deer and her faun stood by the edge of the trees.
plural: Several deer stood by the edge of the trees.
We use are when the sentence is in plural and is when the sentence is in singular form.
Not usually. Deer is both singular (one) and plural (many). As is moose.Deers can be used as a plural form of the word deer. If there are several types of deers in the same area than you can use the plural, deers. For example, If there is a field full of mule deer then you use deer, but if there are a mix of mule deer and white tail deer, you would use deers.
When I went to the forest I saw a deer.
This is used in singular form while these is used in plural form.
No because the linking verb you use is in the past subjunctive plural form but you must use "was" a past indicative plural form.
The sentence is: How can you use plural society in a sentence? that's how
use plural society in a sentence.
Geese, The geese ate my sandwiches.
Water doesn't really have a plural form, other then 'Waters', eg. 'The waters of Life', 'The waters of this ocean...'
If all of the animals are of the same species the plural is 'deer'. If you are emphasizing that the collection of animals is of different species you would use 'deers'. Examples: Moose, elk, mule, whitetail, and key are deers. Santa has a team of reindeer. Similarly, a mouse, some mice and several types of mouses are all correct. Ain't English fun?
Yes, dishes is the plural form of the singular noun dish.
No, "balance" is typically used as a singular noun in a sentence. If referring to multiple balances, it would be more appropriate to use the term "balances" in the plural form.