In Past perfect^x, American English^x, Direct speech^x

3/ What's the difference between : I would like to see it VS I should like to see it. In American English, you do not use "I should" to mean "I would like to," which translates roughly into "Please, may I see it." I'm sure you can construct a situation in which you'd say "I should like to...

We use "think" in the past simple or past perfect tense to indicate a belief that was previously held but that has been shown to be incorrect. For example: I didn't think she was going. (past simple) I had thought that she wasn't going. (past perfect) The exception is in converting from...