Nouns ending in -o can add either -s or -es in the plural, and some can be spelled either way.
As a general rule, most nouns ending in -o add -s to make the plural:
| singular | Plural |
| solo | Solos |
| zero | Zeros |
| avocado | Avocados |
· Those which have a vowel before the final -o always just add -s:
| singular | Plural |
| studio | Studios |
| zoo | Zoos |
| embryo | Embryos |
· Here’s a list of the most common nouns ending in -o that are always spelled with -es in the plural:
| singular | Plural |
| buffalo | Buffaloes |
| domino | Dominoes |
| echo | Echoes |
| embargo | Embargoes |
| hero | Heroes |
| mosquito | Mosquitoes |
| potato | Potatoes |
| tomato | Tomatoes |
| torpedo | Torpedoes |
| veto | Vetoes |
· Here are some of the common nouns ending in -o that can be spelled with either -s or -es in the plural:
| singular | Plural |
| banjo | banjos or banjoes |
| cargo | cargos or cargoes |
| flamingo | flamingos or flamingoes |
| mango | mangos or mangoes |
| memento | mementos or mementoes |
| motto | mottos or mottoes |
| tornado | tornados or tornadoes |
| volcano | volcanos or volcanoes |
V. Conclusion: Ok. Children, what do we learn today? How can we use it (them)?
Giving marks:
VI. Home task: ex. 13-14-17 on p56
Thank you for your participation. You have been very active today. You may have a rest! Bye!






