In Expressions^x, Present perfect^x

Hello Roro is clearly wrong, because Einstein is now dead. As for , one could take it as "Princeton has a honourable past experience that Einstein once visited there", but to me the use of the present perfect tense still sound odd. As for 'has been', it is a special expression and I think we...

A. You can use the simple present perfect here: "I haven't worked as a teacher for 2 years." This is used (amongst other uses) when we are talking about something which happened in the past, but is somehow connected to the present. So, 2 years ago (past) you stopped working as a teacher, and...

I never know when I have to use the past simple or the present perfect ... _____________ The past (simple) is the "past exclusive of the present" or "the exclusive past". The present perfect is the "past inclusive of the present" or "the inclusive past". Expressions which exclude the present,...

Thanks, Paco! That's useful. Sometimes I expect a present perfect in AmE, and it isn't used; sometimes I don't expect one, and it is. So that's fair enough. (And an AmE speaker could say the same of BrE.) The presence of expressions of time ('a long time') makes the 'it's been...since + pres....

1. Use of present perfect tense and simple past tense Speakers of American English generally use the present perfect tense (have/has + past participle) far less than speakers of British English. In spoken American English it is very common to use the simple past tense as an alternative in...

TO QUOTE CALIFORNIA JIM: 'There is more than one difference between the simple past and the present perfect. The simplest difference is the grammatical difference that the simple past can be used with expressions which signify a definite, particular time in the past. I wrote a letter...

The "GO DO SOMETHING" Family of Colloquial Expressions There are several variants of "go do" in American English. All are used informally in conversation, and almost never in formal writing. In the following discussion, the verb "do" stands for any verb, but the list of verbs normally used...

No, Andrei. It's not correct. I guess my clarification needs clarification! It has to be "During the Second World War, people had many difficulties overcome." (I assume you accidentally left out "to".) The reason is that the end of WWII does not reach as far as the present...

There is more than one difference between the simple past and the present perfect. The simplest difference is the grammatical difference that the simple past can be used with expressions which signify a definite, particular time in the past. I wrote a letter yesterday. I wrote a letter at 7...

Hi, Yes, the "done" examples are difficult. "Done" sometimes functions as a past participle of do. There is the idiom of "have done", which can mean completed or finished. I think "What did you have done?" is a complicated structure for those learning English. For those of us whose first...