【正文】
n use these time expressions with the present perfect tense : already , ever , just , recently , yet , so far , up to now , till now , for … , since … , in the last / past ten years. 3. Teacher says : Now read page 40 and find out the differences between the simple past tense and the present perfect tense . Step 2 Practice says : Now plete part A on page 41 and underline the different time expressions . them to plete part B . says : Now you have learnt a lot about the two tenses .Look at part D and help Millie plete her diary with the correct forms of the verbs in the box . them to do more exercis