Weak forms: 'was' is pronounced as /wəz/ and 'were' as /wə/. These are typically used in unstressed positions within a sentence, common in natural, fluent speech.
Strong forms: 'was' is pronounced as /wɒz/ and 'were' as /wɜː/. These are used for emphasis or when the word is stressed in the sentence.
Application: Understanding these pronunciations helps in both listening comprehension (recognizing words in connected speech) and speaking (intending emphasis or clarity).