In Present perfect^x, Plurals^x, Tenses^x

WANG CHUN wrote: 1. Ancient and modern human beings use their great intelligence to invent machines that help people lead a comfortable and convenient life. My problem with this sentence is that it is not possible for ancient human beings to do anything any more, so using the present tense...

I have some problems,they are the phrases about time: yet, today, so far, to date, up to now, recently, lately, up to these few days, this morning, now, up to present. what do they mean? Are some of them duration? Do some of them represent sometime/some time in the past? yet: 1.up to the...

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...

Hey Blitz, 1) "are Amber and Joe going?" is correct. 2) "your son is not attending college since last two months": incorrect. "your son has not been attending college for two months now" is ok; but 'has not attended' would be better. "your son has not been attending college for the past two...

Hi, Does + Subject + root verb ......? Yes, a1) is present tense. It usually describes a accepted fact or habitual behavior. The verb that follows an auxiliary must be a root verb. So it is wrong to generate a question like 'Does she has(incorrect) a sense of humor?' Instead, you should say 'Does...

1. "I`d like some informations about your courses." "Certainly, here`s our brochure." Correction: some information Explanation in in simple terms: information is an uncountable noun. It can't be used in the plural form. ____________________________________________ 2. “Have you got any...

Susan, I understand the frustration you are feeling. Your language, Chinese, is what linguists call an "isolating language". All information, such as the time an action occurred, is conveyed by the choice and order of words in a sentence. There are no verb tenses. There are no plurals. In fact,...