Chapter 7 Pharmacosy Traditional System of Medicine & Ayurvedic Preparations ...
present perfect versus present perfect continuous
1. I have written
four letters
so far.
I have been writing
letters
since morning.
Έμφαση
στον αριθμό
(seven times)
Έμφαση
στην διάρκεια
(seven years)
Present Perfect
Present perfect
continuous
2. I have done
my homework.
She has been doing
her homework.
Έμφαση
στην ολοκλήρωση την πράξης/
αποτέλεσμα
Έμφαση
στην εξέλιξη της πράξης
Present Perfect
Present perfect
continuous
3. I have washed the car!
It is clean now!
I have been waiting
in the rain.I am all wet.
Επιθυμητό αποτέλεσμα Αρνητική επίπτωση
Present Perfect
Present perfect
continuous