What is the full form of present perfect continuous tense
- What is the form of present perfect continuous tense
- What is the passive form of present perfect continuous tense
- What is the verb form of present perfect continuous tense
- What is the negative form of present perfect continuous tense
- What is the question form of present perfect continuous tense
- What is the formula of present perfect continuous tense
- What is the structure of present perfect continuous tense
- What is the rule of present perfect continuous tense
- What is the meaning of present perfect continuous tense
- What is the definition of present perfect continuous tense
- What is the use of present perfect continuous tense
- What is the example of present perfect continuous tense
- What is the function of present perfect continuous tense
- What is the formula of present perfect continuous tense with examples