In Present perfect^x, Present continuous^x, Nouns^x

HiYour sentence is in the present perfect. "Have you ever had ...""the feeling" is a gerund, and acts as if it were a noun (it's the direct complement of "have had"). Try and replace it with "idea", "impression" etc (I'm not saying they...

Hi,I have been to China twice. - Past Participle. Used in several tenses, like the present perfect. Sometimes used as an adjective.Studying history is a good way to waste your time. - Gerund. A verb used as a noun.Call me later, I'm busy. I am burning a couple of grammar books. - Present...

Hi, Why is that sometimes I see words like 'past perfect' or 'present continuous', they are used in sentences as a noun, not as an adjective as my dictionary seems to be showing? Are they adjectives or nouns? You should use a past perfect, not a present perfect.

hello all I will put (write) here all the general forms of the English grammar tenses as I know (understand ) it, I want you to chek it and correct me. Sometimes there is no form (just a speace), I want you to write the general form of the kind of the tense that is detected. I'm so sorry If...