2.1. A mouse or two mice?
Irregular plurals obviously don't follow any rules. However, we can list them in different types:
- Some change the vowel, the ending or the whole word:
 
man-men, woman-women, child-children, person-people, tooth-teeth, foot-feet, goose-geese, mouse-mice, louse-lice
- Some words don't change at all:
 
fish-fish, deer-deer, sheep-sheep, series-series, species-species
- Some words that come from Latin have Latin endings:
 
phenomenon-phenomena, datum-data, thesis-theses, appendix-appendices
1. - wifes
2. computer -
3. person -
4. - series
5. fly -
6. - boxes
7. mouse -
8. echo -
9. - teeth
10. fish -
In Wales, apart from English, there is another language spoken by many people: Welsh, which is a Celtic language. Officially, they have equal status, but the truth is people speak more English than Welsh nowadays.
Here are some examples of Welsh:
 ![]()  | 
		
|  By calumscotland, C. Commons | 
		
| ENGLISH | WELSH  | 
		
| 
			 -Wales -Welcome -Good morning -Cheers!  | 
			
			 -Cymru -Croeso -Bore da -Iechyd da!  | 
		
What kind of TV programmes do you like?
   | 
		
| By Olivander, C. Commons | 
		
Use the vocabulary you have learned in this unit.
When you finish, remember to check the spelling, punctuation and grammar.
