Economics... when used with a plural verb. For example, 'what are the economics of such a venture?'
Economics is a collective term. It is used in the singular.
Here are some examples of nouns that are plural in form but singular in meaning: gallows glasses headquarters news pajamas pants scissors series species billiards athletics physics Philippines measles tweezers dominoes economics civics politics
There is no plural form. Do and Do not are verbs
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "is" is "are."
The plural form of "I" is "we."
The plural form of "was" is "were."
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.
"Groceries" is the plural form of "grocery."
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
The plural form of the demonstrative pronoun 'that' is those.