Present Perfect Continous Tense

The tense is used for stating the action or the event that has started in the past and still take place until now ( Masa ini digunakan untuk menyatakan peristiwa atau kejadian yang sudah dimulai pada waktu lampau dan masih terjadi hingga sekarang )

Formula ( Rumus )

A : Subject + Auxiliary ( has, have ) + been + Verb 1 + ing + Object + Adverb ( Positive and Active Sentence )
B : Subject + Auxiliary ( has, have ) + not + been + Verb 1 + ing + Object + Adverb ( Negative and Active Sentence )
C : Auxiliary ( has, have ) + Subject + been + Verb 1 + ing + Object + Adverb ? ( Introgative, Active and Positive Sentence )
D : Auxiliary ( has, have ) + Subject + not + been + Verb 1 + ing + Object + Adverb ? ( Introgative, Active and Negative Sentence )

Example

A : I have been studying English hard, she / he / person name has been sending letter, you / we / they have been playing basketball in the yard
B : I haven't been studying English hard, she / he / person name hasn't been sending letter, you / we / they haven't been playing basketball in the yard
C : Have i been studying English hard ?, has she / he / person name been sending letter ?, have you / we / they been playing basketball in the yard ?
D : Have i not been studying English hard ?, has she / he / person name not been sending letter ?, have you / we / they not been playing basketball in the yard ?