The present perfect forms are have taught and has taught.Examples:They have taught me the basics. (plural subject)He has taught me the basics. (singular subject)
Curriculum is singular, curricula is plural.
The plural of "taught" is "taught." It remains the same in both singular and plural forms.
The possessive form of the singular noun teacher is teacher's.Example: I put your note on the teacher's desk.The plural form of the noun teacher is teachers.The plural possessive form is teachers'.Example: The teachers' meeting is scheduled for three.
The noun school is the singular form.The plural noun is schools.
"Teach" is the singular form of the verb, while "teaches" is the third person singular form. "Teach" can also be used as the plural form when referring to a group of teachers collectively, such as "the teach of the school."
practitioner is singular (plural practitioners)sofa is singular (plural sofas)satellite is singular (plural satellites)clips is plural (singular clip)dentist is singular (plural dentists)dollars is plural (singular dollar)article is singular (plural articles)magazines is plural (singular magazine)laminator is singular (laminators is plural)radios is plural (singular radio)
singular and plural
Singular: book / Plural: books Singular: cat / Plural: cats Singular: child / Plural: children Singular: foot / Plural: feet
Are is plural. "Is" is singular. For example, "There is a glove on the chair". That is singular. "There are gloves on the chair". That is plural.
"Has" is singular, e.g. He has, she has. "Have" is plural, e.g. They have, we have. The exception is "I" - e.g. I have.
The word team is singular; the plural form is teams.
Who may be singular or plural.
This is singular. These is the plural form.
These is plural, this is singular
'These' is the plural form of 'this'.
diagnosis is singular diagnoses is plural sis = singular ses = plural