From other's conversation,I found out they mentioned I was and sometimes they also mentioned I were. Is there any rules for I was/were?
Don't forget who or that. "I salted the earth around your flower deck" clefts into "It is/was [I/me] who/that [salted the earth around your flower deck]."
personal pronouns - "It was me" or "It was I" - English Language ...
Yes, but despite what you may have read, "I wish I were rich" is not a subjunctive clause. The subjunctive is a clause type that uses the plain form of the verb, as in "It is vital that I be kept informed". The "were" in your example is best called 'irrealis', a special mood form instanced solely by "were" with 1st or 3rd person singular subjects. Many speakers prefer to use the preterite "was ...
grammar - "I wish I was" vs. "I wish I were" - English Language ...
Is it idiomatic to say "I just played" or "I was just playing" in ...
She was so tired that she slept for several hours. She was so tired that she was sleeping for several hours. Do both are correct? My teacher says that the first is correct.
I slept Vs. I was sleeping [duplicate] - English Language Learners ...
I was the first to reach school today. The idiomatic phrase is to be the first (person) to (do something) where the first determines person which is omitted. however, in spoken language, "the" is omitted most of the time. I agree that "to reach school" implies that the person studies or works at that school, but I would add that to reach the school, would need a relative clause particularising ...