There have been many different attempts to explain the difference between the past simple and present perfect tenses to learners of English. I have tried to do this for example in my posts on present perfect basics, Present perfect tense vs Past simple or present perfect infographics. In the textbook New Inside Out pre-intermediate they…
Many students do not understand the present perfect tense. Here is an infographic which should make the present perfect tense easier for students to understand.
Many students find the difference between present perfect tense and past simple very confusing. To help them I have created the following infographic.
To learn this difficult tense you first have to learn the past participles. Regular verbs just add the ending -ed but you have to memorise the irregular ones. Here is a mind map which might help you memorise the irregular verbs first