Present Perfect Tense in English Detailed expression relate to present perfect continuous tense in english. Follow the list for detailed expressions;

Giving or Refusing Permission in English Yes you may, please do, of course, no you cannot, I’d rather you didn’t and etc… Follow the list for detailed expressions;

Using Should and Must in English We use should to suggest something “it is advisable to …”. We use must express a stronger point of view “We need to…” Follow the list for detailed expressions;

The Past Simple With Be Positive with be, negative with be, negative short form, yes/no question with be and etc… Follow the list for detailed expressions;

Past Simple Tense vs Past Continuous Tense Affirmative, negative,interrogative and etc… Follow the detailed expressions;