Present perfect

Question 1

When we use present perfect

Answer 1

• The present perfect tense is used to indicate actions or events that have happened at some unspecified time before now:
  o They have visited many countries.
• Actions that began in the past and continue in the present:
  o She has lived here all her life.
• Life experiences up to the present:
  o I have never seen the Eiffel Tower.
• Recent actions:
  o I have just arrived. (Use “just” to emphasize recent completion)
  o They have already left. (Use “already” to show the action happened before expected)
  The present perfect tense is used to indicate actions or events that have happened at some unspecified time before now.

Question 2

How its the present perfecto form

Answer 2

Simple
Subject + have/has + past participle + context
Question
Have/has + subject + past participle + context
Negative
Subject + have/has + not + past participle + context