Jawaban:

1.+ we studied in the university

- we didn't study in the university

? did we study in the university?

2.+ i bought a new car

- i didn't buy a new car

? did i buy a new car?

3.+ He drew beautiful pictures last week

- he didn't draw beautiful pictures last week

? did he draw beautiful pictures last week?

tips:

• pada kalimat negative(-) dan tanya(?) di past tense, kata kerjanya tidak perlu dijadikan verb 2 karena sudah ada didn't dan did

• kalimat past tense biasanya menggunakan kata kunci; last week, last summer, yesterday, ...years ago, ...week ago, in the morning, last night