When did she begin learning English? -> How long is It took Ginger 90 minutes to see that movie on TV -> Ginger spent 90

When did she begin learning English?

⇒ How long is it since she learnt English?

Cấu trúc tương đương:

When + did + S + begin/start + V-ing/to V?

How long is it since + S + V(past)?

It took Ginger 90 minutes to see that movie on TV.

⇒ Ginger spent 90 minutes seeing that movie on TV.

Cấu trúc tương đương:

It + takes + S + time + to V       =       S + spend + time + V-ing.

   (Ai mất bao lâu làm gì)                      (Ai dành bao lâu làm gì)