Past Future Tense

Past Future yaitu bentuk waktu kalimat yang membicarakan sesuatu yang akan terjadi di masa lalu. 4 pembagian Past Future :

1. Past Future Tense : kegiatan yang akan terjadi di masa lalu.

(+)	S+Would/Should+V1+O
(-)	S+Would/Should+Not+V1+O
(?)	Would/Should+S+V1+O

Ex:

(+) My friends came when I would go to studio last week

(-) My friends canme when I would not go to studio last week

(?) would I go to studio last week when my friends came?

2. Past Future Continuous Tense : kegiatan yang akan sedang berlangsung di masa lalu.

(+)	S+Would/Should+Be+Ving+O
(-)	S+Would/Should+Not+Be+Ving+O
(?)	Would/Should+S+Be+Ving+O

Ex :

(+) Deni went to the market when Rina would be finishing her jobs

(-) Deni went to the market when Rina would not be finishing her jobs

(?) Would Rina finishing her jobs when Deni went to the market  

3. Past Future Perfect Tense : Kegiatan yang akan sudah terjadi di masa lalu.

(+)	S+Would/Should+Have+V3+O
(-)	S+Would/Should+Not+Have+V3+O
(?)	Would/Should+S+Have+V3+O

Ex :

(+) I would have I arrived to hotel last month

(-) I would not have arrived to hotel last month

(?) would I have arrived to hotel last month?

4. Past Future Perfect Continuous Tense : kegiatan durasi yang sudah terjadi dimasa lalu tetapi masih berlangsung

(+)	S+Would/Should+Have+Been+Ving+O
(-)	S+Would/Should+Have+Not+Been+Ving+O
(?)	Would/Should+S+Have+Been+Ving+O

Ex :

(+) I would have been joining this class last month

(-) I would have not been joining this class last month

(?) Would I have been joining this class last month?