By Tenses, Past perfect

Hi,Please take a look at this and tell me if the past perfect tenses can be past tenses, eventhough the past perfect tenses would make sequences more clear. I am confused as to under what circumstances we don't absolutely/necessarily have to use a past perfect. When is leaving it for readers...

Thank you. It sometimes confused me whether I should use a past perfect or not in these situations>Your correction:I am sitting at a corner table in a restaurant. It is raining, and I am wondering what might have happened if I had done this or that or hadn't done this or that. If I had...

Simple Present: I study English Present Continuous: I am studying English Present Perfect: I have studied English Present Perfect Continuous: I have been studying English Simple Past: I studied English Past Perfect: ? Past Prefect Continuous:? Future: I will study English Future Continuous:...

It's interesting. To me it seems that both the authors are correct.In the example about talking children the tense doesn't matter much because it's evident anyway that the coming of the teacher was the reason for the children to stop thier chatter, which they apparently did just at...

Hello, everyone. One of my grammar books says both past perfect and simple past tense mean the same thing in the following example: When the teacher had arrived, they stopped talking.=When the teacher arrived, they stopped talking. But my another book says they don't mean the same thing. It...

Present perfect is used when some action happened in the past but result remains now, action completed in the recent past but result not finished yet,and past perfect is used when any action happened before another past action.

Can someone explain these to me these please.Can you tell me how this works?1)It was hard. It was during a tough time I was dropped (dropped -- better?) out of college due to the pressure. I may have been too young. 1) We had moved our house. It was difficult. 2) I had married by then, and I was...

Hello 1. The last time I had been to Chicago was four years ago. 2. The last time I have been to Chicago was four years ago. 3. The last time I was in Chicago was four years ago. I know that the first one is correct, though I'm not completely sure why. Why the past perfect tense is OK? I...

Hi, A fire unfortunately broke out (had broken out -- good too, I think) at 10 o'clock in the morning. The people were scared and were hurrying to get out. Fortunately, I was not there -- I called ('had called in' is good too, I think) sick. How fortunate I am. Had I not called in...

Hi,Please check this.Diary writing of a Hypothetical situation:A fire unfortunately broke out (had broken out -- good too, I think) at 10 o'clock in the morning. The people were scared and were hurrying to get out. Fortunately, I was not there -- I called ('had called in' is good too,...