如何区分以o结尾的单词变复数是加s还是加es

有生命的加es,没生命的加s,例如：土豆potatoes,西红柿tamotoes，相片photos.

有规律吗？

Nouns ending in the letter o preceded by a vowel form the plural by adding the letter s. one radio two radios
patios
Most nouns ending with the letter o preceded by a consonant add the letter s to form the plural one piano two pianos Some nouns ending in the letter o preceded by a consonant add es to form the plural one potato two potatoes
Others that add es include: echo - echoes (没生命?) hero - heroes jingo - jingoes no - noes tomato - tomatoes Some nouns ending with the letter o preceded by a consonant can form the plural in two ways one zero two zeros - zeroes
Others that form the plural with both s and es include: buffalo - buffalos or buffaloes cargo - cargos or cargoes desperado - desperados or desperadoes halo - halos or haloes mosquito - mosquitos or mosquitoes