No, "had" is not plural. It is the past tense form of the verb "have."
Has is used only for the third person singular (he, she, or it has).All other persons, singular or plural, use "have."
"Need" is singular. If referring to multiple needs, it is appropriate to use the plural form "needs."
The word 'criteria' is the plural form of the singular word 'criterion'. 'Those are the criteria that I used in making my decision.' 'That is the criterion that I used in making my decision.' It is wrong to use the word 'criteria' as a singular. Similarly, it is wrong to use 'phenomena' as a singular. It is the plural form of the singular word 'phenomenon'.
No, "were" is a plural verb form. When the subject is singular, you should use "was."
We use is in singular form and are in plural form.
No, "had" is not plural. It is the past tense form of the verb "have."
Techincally, bacteria is plural. Bacterium is the singular. The reality of contemporary usage is that most people are unfamiliar with the word "bacterium" and use bacteria for both the singular and plural. However, you should try to avoid using bacteria as a singular in formal communication.
Has is used only for the third person singular (he, she, or it has).All other persons, singular or plural, use "have."
Phenomena is a plural noun. The singular form is phenomenon. There is some tendency to use phenomena as a singular noun, but it is not actually a legitimate form.
"Need" is singular. If referring to multiple needs, it is appropriate to use the plural form "needs."
The word 'criteria' is the plural form of the singular word 'criterion'. 'Those are the criteria that I used in making my decision.' 'That is the criterion that I used in making my decision.' It is wrong to use the word 'criteria' as a singular. Similarly, it is wrong to use 'phenomena' as a singular. It is the plural form of the singular word 'phenomenon'.
The noun 'use' is singular noun. The plural form is uses.The word 'use' is also a verb: use, uses, using, used.
No, "were" is a plural verb form. When the subject is singular, you should use "was."
Bacteria is the plural form. The singular form is bacterium.Bacterias is grammatically incorrect.
In the subjunctive mood, the plural form "were" should be used with a singular object.
Antenna