15Present Perfect Continuous 16 Present Perfect Continuous negative 17 Present Perfect Continuous negative 18 Negative sentences 19 Present Perfect Continuous negatives 20 Present Perfect Continuous 21 Perfect Progressive word order. Signal words. 22 Signal words 23 since or for 24 since or for. Free tutorial Present perfect continuous. ThePresent Perfect Continuous is used to talk about events which started in the past and may still be continuing now - this tense usually has a link to the present time.. This is how we make the Present Perfect Continuous tense: subject + have / has + been + -ing verb "He has been waiting for 20 minutes." It can be used to describe events that are finished and are still in evidence now: HOWLONG? SINCE. The question words how long? and since when?, and the prepositions for and since are used with the present perfect continuous tense to express events that started in the past and are still in progress in the present. 2 Present Perfect Tense. The Present Perfect Tense is used to indicate a link between the present and the past. It is used to describe: An action that started in the past and continues in the present. For example, He has worked in this company since 2004. An action performed during a period that has not yet finished. For example, 1140online multiple-choice and fill-in-the-blank present perfect with for since exercises across 57 tests provide a wide range of sentences to help you grasp the context and usage/formation of the present perfect simple tense with for since.Prepare for exams, practice present perfect simple tense with for since online and verify your answers immediately. PresentPerfect Tense ESL Grammar Exercises Test Worksheet. A simple esl printable grammar exercises test for learning, teaching and practising Present Perfect Tense. Write the past participle forms of the verbs. Rewrite the sentences with the subjects in brackets. Fill in the blanks with have or has. 4UHPuS0.

use of since in present perfect continuous tense