The so-called part-of-speech grammar is a problem with the pronunciation of words after adding s, d, ed, ing, z, etc.
First, the pronunciation rules for words to become plural.
1. In general, add "s" after the end of the word, and pronounce it as s shì. For example: dogs d ɡz=d +g+s=dò+gè+shì (the third person plural of dogs), cats k ts=k +ts=kà+chì (the third person of cats, its plural), although s is generally pronounced s, but when it forms a phonetic alphabet with the previous sound, it is pronounced as a combined sound.
2. For words ending in S, X, CH, SH, add "es" to the end of the word and pronounce it as z. For example: buses b s z=b +s +z=bà+sè+rì, the third person plural of the bus, foxes f ks z=f +k+s +z=fò + kè+sè + rì, the third person plural of the fox.
3. Words ending with "consonant letter + o", adding "es" at the end of the word, pronounced as z. For example: tomatoes t mɑ t z=t +ma:+t +z=tè+mà+tòu+rì, the plural number of tomatoes, potatoes p te t z=p +te +t +z=pè+tèi+tòu+rì. Plural of potato,
4. For words ending with "vowel letter + o", add "s" to the end of the word, and pronounce it as z. For example: radios re d z=re +d + z=rù èi+dì+òu+rì, the third person plural of radio, photos f t z=f u+t u+z=fù òu+tòu+rì, the plural of *.
5. Nouns ending with "consonant letters (except a, i, o, u, e) + y" change "y" to "i" at the end of the word, add "es", and pronounce z. For example: family[.]'fæməli=fæ+mə+li=fà+mè+lì]n.home, plural: families[.]'fæməliz=fæ+mə+li+z=fà+mè+lì+rì]n.The plural of home, donkey[.]'d ki]=d +ki=dàng+kè yì=快語点像: 当送, nDonkey [plural, this y does not become i,] plural = donkeys['dɒŋkiz=dàng+gè︶èi+rì]n.Plural of donkey.
For example, the word baby['beɪbi=beɪ+bi=bèi+bì]，n.Baby, the plural is babies[.]'beɪbiz=beɪ+bi+z=bèi+bì+rì]n.Baby, the third person plural of baby baby.
6. For words ending with "vowel letter + y", add "s" directly to the end of the word, and pronounce it as z. For example: boys b z=bò+a(è yì)+rì the plural of boys, girls ɡ rlz=g +r+l+z=gòu+er(儿)+òrì, in British pronunciation, fast reading may be pronounced as gòu+rì The plural of girls.
7. Special words, such as child[t a ld=t a +l+d=qì ài+ò+dè]nchildren, plural children[.]'tʃɪldrən]=tʃ+ɪdrən=qiè+òzhùn]n.For children, it is pronounced t ldr nz.
8, phonetic transcription in the stressed open syllables pronounce ɑ (no consonant after the vowel or more than one consonant, called absolute open syllable and relative open syllable) shop[ p= +p=xià+pù]nshops, and it's plural shops[ps]nThe plural number of shop, 9, ends in a clear consonant, usually followed by s to become plural, usually pronounced with an s sound, such as the word stop[st p=s+t +p=shì+dà+pù]nstop, the plural number is stops[st ps=shì+dà+pù+shì]nPlural of stops.
10. When t is in a closed syllable, after a vowel letter and there are no other consonant letters, or when t is preceded by a vowel and followed by a word that begins with a vowel letter, tè can be pronounced as dè. It's easier to speak English this way. So what is a closed syllable? It ends with one or more consonant phonemes.
And there is only one vowel phoneme syllable in between, such as a phrase.
what are you trying to do?
True phonetic transcription: w t a: r ju'traɪɪŋtʊ dʊ?
Real Pinyin: w +t a: +r ju'traɪ+ɪtʊ dʊ?
Colloquial pronunciation: w dè + ju+'traɪ+ɪtʊ+dù?
Second, when the word needs to be changed to plural.
1. For ordinary words whose number is greater than 1, add s or es to become a plural.
2. Words ending in -f or -fe: When this type of word becomes plural, it is common to change "-f" or "-fe" to "-ves". For example, the word: knife[na f=na +f=nài+fù] nknife, its plural number is knives[na vz=na +v+z=naì+wù+rì]nPlural of knives.
3. Words ending in -o: Some words will add "-es" after "-o" when they become plural. For example: tomato[t ma:t =t +ma:+t =tè+mà+tòu]n.Tomato, its plural is tomatoes[t ma:t z]nTomato.
4. Irregular plural forms: There are some nouns that do not follow the above rules, but have their own unique plural forms. For example: man[m n=màn]n.Man, its plural is men[men=mèn]n.The plural of man, foot[f t=fò+tè]nfeet, the plural number is feet[fi:t=fi:+t=fèi+tè]nPlural of feet.
5. Compound words [new words that combine two words], where one word consists of two parts, such as "boyfriend" or "notebook", usually just need to make the last part plural. For example: boyfriend[.]'bɔɪfrend=bɔɪ+fren+d=bò︶a(èi︶yì)+fàn+dè]n.boyfriend, boy[b = bò + a(è yì)]nBoy, friend[frend=fren+d=fàn+dè]nFriend, boyfriend's plural, just change the latter word to plural + s. boyfriends['bɔɪfrends=bò︶a(è︶yì)+fren+ds=bò+a+fàn+chì]n.The plural of boyfriends.
6. Words with singular and plural homographs: Some words have the same singular and plural forms, such as "sheep[ i:p= i:+p=xì+pù]nsheep,". But to represent a few sheep, we can use "a few sheep = a[e = similar to è + yì, pronounced with the English letter a (èi)] few[fju:=f+ju:=fù+yòu]adj.."How many sheep[ i:p]?[i]" instead of "a few sheep and sheep".
7. Abstract nouns: Some abstract words do not have a plural form, such as "truth[tru: =tr+u:+s=chuì+wù+shì]n."Truth".
8. Specific plural forms, such as "she[ i=xī]n."she" and "he[hi:=h+i:=hè yì]pron pronoun, he", but you can use the "they[ e = e =rì a(è yì)] pron pronouns, they, to mean more than one.