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CourseGrammarDictionaryVocabulary
  1. Home
  2. ›Grammar
  3. ›A2
  4. ›Connectors: because, so, but, although
Sentence structureA2

Connectors: because, so, but, although

Cause, result and contrast in one kit: because (reason), so (result), but/although (contrast); no comma before because

Learning Goal

I can join clauses with because/so/but/although without doubling connectors.

Exam Skills:A2 Key ListeningB1 Preliminary Reading

Look at these examples. Can you spot the grammar pattern?

Although the forecast promised sun, we packed umbrellas - and of course we needed them.

Although the forecast promised sun, we packed umbrellas - and of course we needed them.

The bakery was closed, so we made pancakes at home because Sunday needs pancakes.

The bakery was closed, so we made pancakes at home because Sunday needs pancakes.

Pay attention to the highlighted parts. What do they have in common?

Four workhorses:

ConnectorJobExample
becausereasonWe stayed in because it rained.
soresultIt rained, so we stayed in.
butcontrastIt rained, but we went out.
althoughstronger contrastAlthough it rained, we went out.

because/so are mirror twins: swap the clause order, swap the word. Although-clauses can start the sentence with a comma after them. Never double up: *Although it rained, but we went out.

Apply this grammar in A2 course exercises

Practice Exercises
  • although + but doubled: pick one
  • Comma forced before because: usually none
  • so/because swapped: because = reason, so = result

Common Error Patterns

although + but together

One contrast connector per sentence

Reason/result connector swapped

because looks back, so looks forward

Although the forecast promised sun, we packed umbrellas - and of course we needed them.

Although the forecast promised sun, we packed umbrellas - and of course we needed them.

although up front, no but later.

The bakery was closed, so we made pancakes at home because Sunday needs pancakes.

The bakery was closed, so we made pancakes at home because Sunday needs pancakes.

so (result) + because (reason) in one Sunday.

Practice in course

Apply this grammar in A2 course exercises

A2 Course
← Back to topics

Frequently asked questions

When is Connectors: because, so, but, although used?
because/so are mirror twins: swap the clause order, swap the word. Although-clauses can start the sentence with a comma after them. Never double up: *Although it rained, but we went out.
What are common mistakes with Connectors: because, so, but, although?
although + but doubled: pick one Comma forced before because: usually none so/because swapped: because = reason, so = result

Related grammar topics

  • Past simple: regular verbs
  • Infinitive of purpose: to buy bread
  • There is / there are
  • Questions with do/does/did
  • Conditionals 1 and 2
  • Relative clauses: who, which, that
  • Reported speech
  • So and such