By Tenses, English as a second language

Innocentsa22 wrote: I want your help. one day a question stopped me. it is about the present perfect tense. I need to know the different types of questions used in present perfect i.e I knew later that we couldn't use "when" in making questions in this tense. Please help me as I learn...

I want your help. one day a question stopped me. it is about the present perfect tense. I need to know the different types of questions used in present perfect i.e I knew later that we couldn't use "when" in making questions in this tense. Please help me as I learn English as a second language.

I have some questions for those who speak English as a second language: What elements of the English language (spelling, vocabulary, tenses, conjugation, contractions, et cetera) do you find simple and easy to learn compared to your native tongue? Which elements do you find more difficult?...