I Was Here

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 ...

I Was Here 5

Is it idiomatic to say "I just played" or "I was just playing" in ...

I Was Here 6

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 Here 8

I have been talking - the present perfect continuous tense We use the present perfect continuous tense for an action over a period of time up to now. (We can talk about repeated actions) I was talking - the past continuous tense We use the past continuous tense to say that we were in the middle of an action in the past.