I ..... him since childhood.
Ahas known
Bhave known
Chas been knowing
Dhave been knowing
Ahas known
Bhave known
Chas been knowing
Dhave been knowing
Related Questions:
I the letter , but I can't find a stamp.
Fill in the blanks with appropriate words given in the option so that the sentence appears to be in the correct form of tense.
The flight ............ before we reach the airport.