In Present perfect^x, Verbs^x, Tenses^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....

Velimir:Sorry I did not understand your question. Here are some comments on the verb tenses in your sentences1a) Whenever you've sent us your goods, we have received your documents related to the delivery when the truck has already set off . you've sent: You have sent is present...

Hello everybody,I had to write some business correspondence recently and I got stuck at the early beginning in the mesh of time clauses and verb tenses. Here's the sentence I would like you to check in various verb tense - options and to give some brief comment if possible. I start with what...

Hello serenalucy, and welcome to English Forums. Let's go through the tenses in the positive and the negative. Present: He likes to sing. He does not like to sing. We use the verb "to do" + not to form the negative. Past: I swam 2 miles. I didn't (did not) swim 2 miles. We...

? which is wrong. Although it is ambiguous, there is an interpretation which is grammatically correct, so the sentence is acceptable. (Nevertheless, I think it is preferable to rephrase it because of the ambiguity, and I showed you how to do that above with the phrase last night's...

 Sure, and the difference is not only in the tense. In the original sentence "packed" is an adjective, and in yours it is a verb!  

The verb forms of "see" aresee (infinitive)saw (past)seeing (present participle)seen (past participle) Present tenseI see, you see, he sees, we see, you see, they seePast tense:I saw, you saw, he saw, we saw, they sawExample:I saw my friends yesterday at school. Future tense:I will...

Welcome to English Forums!The grammar for the verb have is not different from that of any other verb, like take, for example. Don't confuse auxiliary have with main verb have. Auxiliary have is applied to all verbs to create the perfect tenses.Present perfect: He, she, it has had ...

Santsoh:Have is a verb. It means to own, possess, experience, etc.. The verb have is also an auxilliary used to make the perfect tenses.I have visited my friend three times already. (present perfect of the verb "visit")I have eaten many juicy oranges. Before Jan 1, 2000, I had been...

Hi there. Welcome to EF.The differense between them happens to be interchangeable in some informal way or in narratives. We use Past Simple along with Present Perfect when we're talking about events happened in the past, but Present Perfect points that event may occur in the present again.He...