Past Future Perfect Continuous Tense

Pola atau formula untuk Past Future Perfect Continuous Tense adalah sebagai berikut:

Subject + would + have + been + ( verb1+ing) + object + modifier

Contoh:

1. Farmers in Jati Bali would have been growing rice crops for 40 years by the end of last month. (Petani-petani di Jati Bali akan telah bercocok tanam padi selama 40 tahun sebelum akhir bulan lalu).
2. Some students would have been conducting research on vegetative plant propagations for one year when the semester started last month. (Beberapa siswa akan telah melakukan penelitian pada perbanyakan tanaman vegetatif selama 1 tahun ketika semester dimulai bulan lalu).
3. Transpiration would have been starting to increase for more than an hour when we measured it at 9 a.m. yesterday. (Transpirasi akan telah mulai meningkat selama lebih dari 1 jam ketika kita mengukurnya jam 9 pagi kemarin).

Penggunaan Past Future Perfect Continuous Tense

Penggunaan past future perfect continuous tense sama dengan penggunaan past future perfect tense kategori yang ketiga, yaitu untuk menyatakan bahwa kejadian/aktivitas akan terus terjadi/dilakukan sampai batas waktu tertentu di masa lampau.

Perhatikan contoh pada past future perfect tense kategori ketiga berikut:

1. I thought I would have been at school only for 6 hours yesterday. In fact, I had to wait for another hour because my dad’s car broke down on the way to the school.
2. I was completely sure that on August 17, I would have lived in this house for 10 years sharp.
3. I expected that I would have slept for 8 hours last night but I was awoken by my neighbor’s long big fight at 1 a.m. It was very loud and I couldn’t fall asleep till morning.
4. It was predicted that when Mr. Dodi retired last month, he would have worked for this company for forty-five years.
5. She never expected that she would have waited for her boyfriend for 2 hours last night.

Dalam past future perfect continuous tense, kelima kalimat ini menjadi:

1. I thought I would have been being at school only for 6 hours yesterday. In fact, I had to wait for another hour because my dad’s car broke down on the way to the school.
2. I was completely sure that on August 17, I would have been living in this house for 10 years sharp.
3. I expected that I would have been sleeping for 8 hours last night but I was awoken by my neighbor’s long big fight at 1 a.m. It was very loud and I couldn’t fall asleep till morning.
4. It was predicted that when Mr. Dodi retired last month, he would have been workingfor this company for forty-five years.
5. She never expected that she would have been waiting for her boyfriend for 2 hours last night.

Negative Form

Bentuk negatif Past Future Perfect Continuous Tense adalah dengan menambahkan kata bantu NOT setelah auxilliary WOULD seperti terlihat pada formula berikut:

Subject + would + not + have + been + (verb1+ing) + object + modifier

Contoh:

1. I thought I wouldn’t have been being at school for 7 hours yesterday.
2. I was completely sure that on August 17, I wouldn’t have been living in this house for 10 years yet.
3. I expected that I wouldn’t have been sleeping for 4 hours last night.
4. It was predicted that when Mr. Dodi retired last month, he wouldn’t have been working for this company for fifty years.
5. She expected that she wouldn’t have been waiting for her boyfriend for 2 hours last night.

Note: Seperti dituliskan dalam kelima contoh di atas, would + not dapat dikontraksi menjadi “wouldn’t“.

Yes/No Questions

Yes/No Questions untuk Past Future Perfect Continuous Tense dibentuk dengan menempatkan (inversi) auxililiary WOULD di depan subject kalimat:

Would + subject + not + have + been + (verb1+ing) + object + modifier?

Contoh:

1. Would you have been being at school for 7 hours yesterday if your dad’s car hadn’t broken down on the way to the school?
2. Would you have been living in this house for 10 years on August 17 if the house rent had been raised by the landlord?.
3. If your neighbor hadn’t had a long big fight last night, would you have been sleepingfor 4 hours last night?
4. If Mr. Dodi were still strong, would he have been working for this company for more than fifty years?
5. Did she expect that she would have been waiting for her boyfriend for 2 hours last night?