Nouns and Plurals
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One small ending for relationships between people, animals, time expressions, and their things.
Singular owners and irregular plurals take apostrophe plus s. After a regular plural ending in s, add only the apostrophe.
Updated: July 2026
A2 · Nouns and plurals · 8 min
A structured ten-slide lesson for A2 learners. Hear possessive forms in context, place apostrophes with singular and plural owners, and compare people, things, and time expressions. The whole arc takes about eight minutes and requires no signup.
English possessive 's links an owner to a person, animal, or thing associated with that owner. In *“Maria's car,”* Maria comes first because she is the owner, and *car* follows as the possession. The same pattern appears in *“the client's request”* and *“the dog's bowl.”* The first part can therefore be a name or a complete noun phrase. The order matters: owner plus possessive ending plus the related noun. The ending attaches to the owner, not to the thing that belongs to it. This makes longer noun phrases easier to read. In *“my boss's office,”* *boss* takes the ending while *office* stays unchanged. The form often describes ownership, but it can also express other close relationships between a person and an associated noun, such as a request, an office, or a task. At A2, one practical question is enough: who or what has the owner role? Mark that word or phrase. Then decide whether it is singular, a regular plural, or an irregular plural. That form determines where the apostrophe and s belong.
With one owner, add apostrophe plus s to the end of the name or noun. This produces *“Maria's car,” “the client's request,”* and *“the dog's bowl.”* The pattern also applies when the singular noun already ends in s. This lesson teaches *“my boss's office”*: *boss* is followed by an apostrophe and another s. In speech, that ending creates an extra syllable, /ɪz/, so spelling and pronunciation work together. A frequent error is to add an s but omit the apostrophe. *“Marias car”* looks familiar to a German-speaking learner because a German name in the genitive does not use an apostrophe. In English, however, the visible possessive ending is then incomplete. Check each form with two questions. Is there exactly one owner? If so, can you see apostrophe plus s after that owner? When an owner phrase contains several words, the ending sits at the end of that group. In this lesson's simpler examples, the owner is a name or one noun, so the position is especially easy to see.
With several owners, inspect the plural form first. If a regular plural already ends in s, possession adds only an apostrophe after it. *“My parents' house”* belongs to both parents; *parents* already carries its plural s, so the apostrophe follows. The same pattern gives *“the clients' meeting room”* when several clients are meant. An irregular plural without s behaves differently. *Children* refers to more than one child but does not end in s, so it takes apostrophe plus s: *“the children's toys.”* An apostrophe alone would not mark this possessive form correctly. Compare the three core patterns directly: *“the client's request”* for one client, *“the clients' request”* for several clients, and *“the children's request”* for an irregular plural. When reading, find number in the word before the apostrophe. When writing, form the ordinary plural first and then add the possession marker. That order prevents forms such as *“parents's”* or *“childrens',”* which mix the plural and possessive patterns incorrectly.
Possessive 's is especially natural when the owner is a person or animal. English uses *“Maria's car,” “the manager's decision,”* and *“the dog's bowl.”* With inanimate things, English often prefers an of-phrase, especially for a part or feature of the thing. *“The end of the report”* is therefore usually more natural than *“the report's end.”* The second form can occur, but the of-phrase is the safer core pattern here. German-speaking learners face another trap from constructions with *von*. A direct transfer can produce *“the car of Maria.”* With a person, *“Maria's car”* sounds more natural in English. Time expressions form an important group that readily takes possessive 's: *“yesterday's meeting,” “this week's numbers,”* and *“today's schedule.”* The time word stands before the related noun like an owner. You can therefore work with a tendency: people and animals commonly take possessive 's, parts of things commonly use *of*, and time expressions take possessive 's again. The particular expression decides; this is not an exceptionless dividing line.
The missing apostrophe in *“Marias car”* is the most direct German transfer. The reverse error is an extra apostrophe where English does not use one. *Its* and *it's* are especially easy to confuse. *Its* is a possessive word for a thing or animal: *“The company changed its name.”* It has no apostrophe. *It's* keeps its apostrophe because it is a contraction. Depending on context, it stands for *“it is”* or *“it has.”* The apostrophe therefore marks omitted letters, not possession. Expand the contraction when you check your sentence. If *“it is”* or *“it has”* fits, use *it's* with its apostrophe. If you mean a possessive relationship, use *its* without one. An apostrophe after *its* belongs to neither form. The same care helps with the possessive ending itself: do not merely check whether an apostrophe appears somewhere; ask which grammatical job it performs. In *“the client's request,”* it marks possession. In *it's*, it marks a contraction.
Possessive forms help you connect people, departments, documents, and dates concisely. *“My boss's office”* names a person and the associated room. *“The client's request”* assigns a request to one client, while *“the clients' request”* would mark several clients as a shared owner group. With time expressions, *“this week's numbers”* and *“yesterday's meeting”* create short, natural noun phrases. For a thing and one of its parts, *“the name of the company”* is often a good fit. You can therefore use both patterns deliberately in the same text. When a singular noun ends in s, you may meet different spellings. There is no basic American-versus-British split; style guides divide over forms such as *“boss's”* and *“boss'.”* This lesson consistently teaches *“boss's,”* while noting that the other form exists. Consistency matters more than switching between the variants in one text. Start with the owner, identify its form, and then choose apostrophe plus s, an apostrophe after plural s, or a suitable of-phrase.
Possessive 's is usually natural with people and animals: "Maria's car," "the dog's bowl." For parts or features of things, English often prefers an of-phrase: "the end of the report." Time expressions can take possessive 's again: "today's meeting."
A singular English owner needs apostrophe plus s: "Maria's car." German genitive "Marias Auto" has no apostrophe, but that spelling does not transfer. In English, the apostrophe visibly marks the possessive form.
Parents is a regular plural that already ends in s, so it takes only the apostrophe. Children is an irregular plural without s, so it takes apostrophe plus s. In both cases, inspect the completed plural form first.
There is no basic American-versus-British split here. Style guides differ: some prefer "boss's," while others allow "boss'." This lesson teaches "boss's"; use one style consistently within a text.
Review *singular-plural-nouns* (A1) first so you recognise regular and irregular plurals. *possessive-adjectives-pronouns* (A1) teaches other possession words. With *have-got* (A1), you can then express possession in complete statements.
Possessive 's is the last surviving English genitive ending. It continues the Old English ending -es. As the older case system eroded, this one ending remained.
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