Present perfect simple and continuous

' Present Perfect Simple and Continuous 

The present perfect tense is used to talk about actions that started in the past and have a relationship with the present. There are two forms of this tense in English: the present perfect simple and the present perfect continuous

The present perfect simple

 Conjugation 

How do we conjugate the present perfect simple?

Use

we use the present perfect simple to talk about :
 * situations that are happening now
 * actions that are happening now
 * actions that are happened recently in the past
 * when the exact time is not important
 * when the results from the action are in the present

The present perfect continuous

Examples: You have been waiting here for thre hours.

Conjugation

How do we conjugate the present perfect continuous?

Use

We use the The present perfect continuous to talk about:


 * actions that started in the past and has continued up until now.
 * actions that finished recently.

Examples:
 * 1) They have been talking for the last hou.
 * 2) Have you been exercising lately?