7. Look at the pairs of sentences below. Both of them are grammatically correct.
1. a) It rained heavily when I ran for the bus.
b) It was raining heavily when I ran for the bus.
2. a) The train just came into the station when we arrived on the platform.
b) The train was just coming into the station when we arrived on the platform.
3. a) He broke his leg while riding his bike at the weekend.
b) He was breaking his leg while riding his bike at the weekend.
Choose one sentence in each pair, a or b, that is more logical.
1. b) It was raining heavily when I ran for the bus.
2. b) The train was just coming into the station when we arrived on the platform.
3. a) He broke his leg while riding his bike at the weekend.
1 I've been known my teacher since 2007.
4 I've lived here for three years.
2 I've been in this class for seven years.
5 I've understood English since 2016.
3 I've had a mobile phone for one months.
6 I haven't had an exam since last year.