In Present perfect^x, Perfect progressive^x, Grammar^x

Hi everybody,Why do all the Grammar books use the expressions "simple present" and "simple past", although all the other tenses start with the tense-marker and add the aspect-marker then: present progressive, present perfect, present perfect progressive, past progressive, past...

Hi, there! Here are my doubts. Could you help me, please? - He (write) a composition since lunch time. In this kind of sentence I could use e.g. the * Present Perfect Progressive: - He has been writting a composition since lunch time. In this case since is a starting point and the verb tense...

PWe are printing an award for a teacher and it's not immediately obvious where the mistake is. He has provided guidance and service from August 2006 to August 2008, but we are printing the award before his term ends. Is it present perfect progressive (has/have been)?1. He has provided...

Present Perfect is formed with the auxiliary have and the past participle of some verb: have seen, has done, have lived. Present Perfect Progressive is formed with the auxiliaries have and been and the present participle of some verb: have been seeing, has been doing, has been living.CJ

Hi everyone,I have a few grammar questions and I don't know how to answer them:Explain why the verb “To Be” is not a non-progressive verb?I know the simple present never talks about the present but what can be an exception to this rule?Why does the present tense not exist in English? What...

She is eating dinner for one hour. / She has been eating dinner for one hour. He is watching TV all day. / He has been watching TV all day. ------------------------------------------------------------------------------------------------------------------------ Actually, these two cases are...

I'm not questioning about 'Present Perfect VS Present Perfect Progressive'. Please, let me know the difference of 'Present Progressive and Present Perfect Progressive'. For example, She is eating dinner for one hour. / She has been eating dinner for one hour. It is...

I would like to share my 2-cent worth with you all. There are two parts to the question: a) the usage of the present progressive tense and b) the usage of the present perfect vs. that of the present perfect progressive. In general, the progressive form (i.e., -ing form of the base verb) is...

Onh1986 wrote:So what the difference between: - I was thinking. - I have thought.Hi,it is difficult to answer, because you should put verbs in example sentences in order to understand how to use them.I am thinking now. That's what I'm doing now. I'm thinking about my new invention. Please...

Hi, I've rarely seen grammar books that give sentence examples of using "Perfect Progressive" tense for Be Verb. Is that because they don't exist? Please advise. They exist, but you need a context in which they make sense. Be verb in Present Perfect Progressive tense Be verb in Past Perfect...