Past Continous Tense
The tense is used for stating the action or the event that is taking place in the past when the other action or the event happened ( Masa ini digunakan untuk menyatakan peristiwa atau kejadian yang sedang terjadi pada waktu lampau ketika peristiwa atau kejadian lain terjadi )

Formula ( Rumus )

A : Subject + Tobe ( were, was ) + Verb 1 + ing + + Object + Adverb ( Positive and Active Sentence )
B : Subject + Tobe ( were, was ) + not + Verb 1 + ing + Object + Adverb ( Negative and Active Sentence )
C : Tobe ( were, was ) + Subject + + Object + Adverb ? ( Introgative, Active and Positive Sentence )
D : Tobe ( were, was ) + Subject + not + + Object + Adverb ? ( Introgative, Active and Negative Sentence )
E : Subject + Tobe ( were, was ) + being + Verb 3 + Object + Adverb ( Positive and Passive Sentence )
F : Subject + Tobe ( were, was ) + not + being + Verb 3 + Object + Adverb ( Positive and Passive Sentence )
G : Tobe ( were, was ) + Subject + being + Verb 3 + Object + Adverb ? ( Introgative, Passive and Positive Sentence )
H : Tobe ( were, was ) + Subject + not + being + Verb 3 + Object + Adverb ? ( Introgative, Passive and Negative Sentence )

Example

A : I was studying English hard, she / he / person name was sending letter, you / we / they were playing basketball in the yard
B : I wasn't studying English hard, she / he / person name wasn't sending letter, you / we / they weren't playing basketball in the yard
C : Was i studying English hard ?, was she / he / person name sending letter ?, were you / we / they playing basketball in the yard ?
D : Was i not studying English hard ?, was she / he / person name not sending letter ?, were you / we / they not playing basketball in the yard ?
E : English was being studied hard by me, letter was being sent by her / him / person name, basketball was being played by them / you / us
F : English wasn't being studied hard by me, letter wasn't being sent by her / him / person name, basketball wasn't being played by them / you / us
G : Was English being studied hard by me ?, was letter being sent by her / him / person name ?, was basketball being played by them / you / us ?
H : Was English not being studied hard by me ?, was letter not being sent by her / him / person name ?, was basketball not being played by them / you / us ?