Jawaban:

1. Tom was writing the report while his friends were doing the experiment.

2. Mother arrived home when children were having dinner.

3. We were doing our assignment last night when the light went out.

4. Cindy was mopping the floor while Rudi was wiping the window.

5. The man was speeding along the road in his car when suddenly a cat crossed the street.

6. The students were playing football when it rained heavily.

Penjelasan:

Semua kalimat pada jawaban di atas mengikuti pola Past Continuous Tense. Kata whendigunakan saat ada satu aktivitas yang terjadi ditengah aktivitas lain sedang berlangsung sementara katawhile digunakan untuk menjelaskan dua aktivitas yang berlangsung pada saat yang bersamaan di waktu lampau.

Rumus Past Continuous Tense:

(+) Subject + Tobe (was/were) + Verb-ing + When + Subject + Verb-2

(+) Subject + Tobe (was/were) + Verb-ing + While + Subject + Tobe (was/were) + Verb ing

Semoga membantu ya.