Phonemes

Past Tense Marker

1. If the present form ends in a  voiceless consonant other than 
   /t/ the past tense marker is /t/ 
       Eg: cook -cooked / kʊkt/    laugh - laughed  / lα:ft/ 
2. If the present form ends in a  voiced consonant other than  
    /d/ the past tense marker is /d/
    Eg:  rub - rubbed / rʌbd/       love- loved  / lʌvd/ 
3. If the present form ends in /t/ or  /d/ the past tense marker 
     is    /ɪd/ 
   Eg: mend - mended  / mendɪd/  want - wanted  /wɒntɪd /

Plural Suffixes

1. If the root ends in a voiceless consonant other than
    / s, ∫,t∫ /  the plural suffix is /s/
    Eg: Cakes: /keɪks/    Caps : /kæps/        Bats  : /bæts/
2. If the root ends in a voiced consonant other than
   / z, Ʒ, dƷ/ the plural suffix is /z/
   Eg: Bags   : /bægz/        Toads : /tǝʊdz/
3.  If the root ends in / s, ∫, t∫, z, Ʒ, dƷ / the plural suffix is /ɪz/ 
    Eg: houses: /haʊzɪz/     roses: /rǝʊzɪz/

Find how these words are to be pronounced

Pronunciation  - pronounce 
debt -  police - vehicle - plumber
no - now - go
car - father - brother - sister
period - extempore - examination 
suite - suit - wool - woolen
thumb - bomb - womb - tomb
onion - mirage - collage - montage
chandelier - champagne - chassis
colonel - lieutenant - superintendent
squalor - pint - cliche - conduct (Verb & Noun)
bourgeois - bourgeoisie - 
crisis (singular & Plural)
abyss - apartheid - chameleon
refuse (Noun & Verb)
rendezvous - question - prophecy - prophesy
camouflage - photography
elite - debut - debris - status
establish - estate - content (Noun & Verb & adjective)
target - alumnus - alumni - algae (Plural) - alga (singular)
sponge - alibi - lullaby - spinach - pneumonia
psyche - psychological - bruise - genre - isthmus