> grammar rules > tenses > present perfect
overview - irregular
Verbs - forms of "to
be" - intensive
grammar course
all future tenses explained separately;
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a) actions that ended in the past but have a consequence for the present
b) something that happened in the unspecified past – it is not important when it happened
a) actions that started in the past, are still happening and will continue in the future
b) background information and longer actions that have not yet ended
have/has + 3rd Form
have/has + been + “ing”-form
b) I have
seen the teacher already.
b) He has been waiting in the rain for 20 minutes already.
since/for, yet, already, lately, recently, just, this week/ month/ year...