In Present perfect^x, Verbs^x, Dates^x

Hi,We have an estimated gain of $100 for value date 11/30/08.Could you please further explain why I can't say "have estimated"? I thought when you use the "have/has" + Past Participle it is consideredto be in the perfect tense?We HAVE ESTIMATED a gain of $100 on 11/30/08....

Thanks for coming back with another clear answer.Yes, my question was concisely answered by your second presentation of "when" usage; during what period of time? I am glad to hear that "when ... ?" can be used with the present perfect.Your example "When has she usually...

I'm not an expert on grammar or linguistics, but here are my thoughts as an ordinary native user of English. I hope I got all the grammatical terminology correct! I think that all verbs -- transitive or intransitive -- are able to form present perfect sentences: "He has died",...

Hello. Sorry to hear you're feeling uncomfortable with this type of activity. But you're not alone: I would be, too!The sentences lack context, which makes it difficult to tell when tense changes are necessary and when they are not (among other things).There is one sentence that is wrong...

.We received the quotation from Michael on 10 March. However, ourgoods will be ready in the first week of April, so we willcontact him again to get the updated cost around the shipment date.Thank you for your follow-up and have a nice weekend.If you give a past date ('10 March'), you...

Dear all, For whatever its worth – Here is my opinion as I promised to deliver: The issue we have been dealing with here boils down to one question – “In one sentence, grammatically and semantically, could we use both simple past and present perfect for one item?” Evidently, the...

I was told if I use present perfect tense, then the date should not be attached in the end. You were told correctly. The meaning we intend to convey when we use the present perfect tense with an action verb like "send" is that the action described happened at some unspecified time in...

Hi, is it true that certain time adverbs can only be used with certain tenses? I think you should look at each adverb and think a little more carefully about whether you can use it with another tense. Try to make some sentences. I just went through and thought of the following examples. Maybe...

is it true that certain time adverbs can only be used with certain tenses? 1. simple present : with frequency adverbs, on Sundays..., in the mornings..., everyday, every Sunday/summer... 2. present continuous: now, at the moment, at present, currently, 3. simple past: freuency adverbs,...

Hello! I'll just say a word about the simple past: You use the simple past whenever you have a complement, adverb, date, time-clause which tells the moment in the past when the action took place EG: I saw/b> her yesterday. She met him a long time ago. When I was young, I lived in the...