This must have been very difficult for you.
چرا با وجود اینکه فاعل this هست has به کار نبرده است؟
This must have been very difficult for you.
چرا با وجود اینکه فاعل this هست has به کار نبرده است؟
must یه فعله موداله و بعد افعال مودال فعل سادس
سلام دوست عزیز must have
model هست