A reason explains why; a result tells what followed.
The idea
Because introduces the reason; so introduces the result. A starting because clause is normally followed by a comma.
Examples
- The path was muddy, so we took the road.
- I brought a lamp because the room was dark.
- Because the shop was closed, we went home.
- The kettle was empty, so I filled it.
- We stayed inside because the wind was strong.
- The bus was late, so the meeting started later.
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Watch out
Do not use both words for the same link: say because it rained, we stayed in, without adding so.
Try it yourself
Choose the correct word. We went shopping ___ the fridge was empty. (because / so)
Show answer or example answer
because
because: the empty fridge explains the shopping trip.
Choose the correct word. The train was cancelled, ___ we took a taxi. (because / so)
Show answer or example answer
so
so: the result is taking a taxi.
Choose the correct word. We used the stairs ___ the lift was broken. (because / so)
Show answer or example answer
because
because: the broken lift explains using the stairs.
Practice round
Answer questions and rebuild English sentences to practise. Your score is shown.
Choose the correct word. We went shopping ___ the fridge was empty. (because / so)
Choose the correct word. The train was cancelled, ___ we took a taxi. (because / so)
Choose the correct word. We used the stairs ___ the lift was broken. (because / so)
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
Keep your progress
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Write one reason and its result in two different orders.

