| Most nouns | + s | two books |
| -s, -ss, -sh, -ch, -x, -z | + es | bus → buses / box → boxes |
| consonant + y | y → ies | city → cities |
| vowel + y | + s | boy → boys |
| A1-o / -f / -fe | some + es; -f / -fe → ves | potato → potatoes / knife → knives |
| Irregular | no -s: man, woman, child, person | three children |
| A1foot, tooth, mouse | irregular | feet / teeth / mice |
| A1jeans, trousers, glasses | plural only, plural verb | My jeans are new. |
| A1Sound of -s | /s/ after voiceless sounds, /z/ after voiced sounds, /ɪz/ after /s z ʃ tʃ dʒ/ | cups /kʌps/ · dogs /dɒɡz/ · buses /ˈbʌsɪz/ |
| Trap | people takes a plural verb | The people are nice. |
| A1Trap | sheep and fish keep one form | two sheep |