Present Perfect Tense

The tense is used for stating the action or the event that take place in the past and there is still connection with now or present, the tense is also used for showing an event that finish at short or quick time ( just finish now ) ( Masa ini digunakan untuk menyatakan peristiwa atau kejadian yang terjadi di waktu lampau dan masih ada hubungannya dengan sekarang atau saat ini, masa ini juga digunakan untuk menunnjukkan sebuah kejadian yang selesai pada waktu yang singkat ( baru saja selesai ) )

Formula ( Rumus )

A : Subject + Auxiliary ( has, have ) + Verb 3 + Object + Adverb ( Positive and Active Sentence )
B : Subject + Auxiliary ( has, have ) + not + Verb 3 + Object + Adverb ( Negative and Active Sentence )
C : Auxiliary ( has, have ) + Subject + Verb 3 + Object + Adverb ? ( Introgative, Active and Positive Sentence )
D : Auxiliary ( has, have ) + Subject + not + Verb 3 + Object + Adverb ? ( Introgative, Active and Negative Sentence )
E : Subject + Auxiliary ( has, have ) + been + Verb 3 + Object + Adverb ( Positive and Passive Sentence )
F : Subject + Auxiliary ( has, have ) + not + been + Verb 3 + Object + Adverb ( Positive and Passive Sentence )
G : Auxiliary ( has, have ) + Subject + been + Verb 3 + Object + Adverb ? ( Introgative, Passive and Positive Sentence )
H : Auxiliary ( has, have ) + Subject + not + been + Verb 3 + Object + Adverb ? ( Introgative, Passive and Negative Sentence )

Example

A : I have studied English hard, she / he / person name has sent letter, you / we / they have played basketball in the yard
B : I haven't studied English hard, she / he / person name hasn't sent letter, you / we / they haven't played basketball in the yard
C : Have i studied English hard ?, has she / he / person name sent letter ?, have you / we / they played basketball in the yard ?
D : Have i not studied English hard ?, has she / he / person name not sent letter ?, have you / we / they not played basketball in the yard ?
E : English has been studied hard by me, letter has been sent by her / him / person name, basketball has been played by them / you / us
F : English hasn't been studied hard by me, letter hasn't been sent by her / him / person name, basketball hasn't been played by them / you / us
G : Has English been studied hard by me ?, has letter been sent by her / him / person name ?, has basketball been played by them / you / us ?
H : Has English not been studied hard by me ?, has letter not been sent by her / him / person name ?, has basketball not been played by them / you / us ?