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← Grammar reference

CONJUNCTIONS

Conjunctions: and, but, because, although

Conjunctions join words and clauses: and adds, but contrasts, or gives a choice, because gives a reason and so gives a result.

conjunctionmeaningexample
+and / but / oradd / contrast / choiceI like tea and coffee, but not milk.
−because / soreason / resultI didn't go out because it was raining.
?when / before / aftertimeWhat do you do when you are tired?

Comma before but / so in a long sentence · Although + clause, clause (not although … but) · because answers Why? · so gives the result

A1

And, but, or

New

Use and to add, but to show a contrast and or to give a choice.

clause+ and / but / or+ clause

  • I like tea, but I don't like coffee.
  • Do you want tea or coffee?
  • I like pizza, or I don't like pasta.
  • I like pizza, but I don't like pasta.

Quick Check

1/4

Type the answer

One word is in the wrong form. Type the correct form.

Do you prefer tea and coffee?

A2

Because and so: reason and result

New

Because introduces the reason. So introduces the result. Do not use both in one sentence.

reason+ because+ result+ so

  • I stayed at home because it was raining.
  • It was raining, so I stayed at home.
  • I stayed at home so it was raining.
  • I stayed at home because it was raining.

Quick Check

1/4

Put in order

Tap the words in the order of the sentence.

 

A2

When, before, after, while

New

Use when for a moment, before / after for the order of events and while for two actions at the same time.

when / before / after / while+ subject+ verb

  • I always brush my teeth before I go to bed.
  • She was cooking while he was reading.
  • I brush my teeth after to eat.
  • I brush my teeth after I eat.

Quick Check

1/4

Put in order

Tap the words in the order of the sentence.

 

B1

Although: two ideas that surprise

New

Use although + clause for a surprising contrast. Do not add but in the same sentence.

Although+ subject+ verb+ subject+ verb

  • Although it was cold, we went swimming.
  • She passed the test although she didn't study.
  • Although it was cold, but we went out.
  • Although it was cold, we went out.

Quick Check

1/4

Type the answer

he is rich, he is not happy.

B1

Both … and, either … or

New

Use both … and for two things together, either … or for one of two choices and neither … nor for none of two.

both+ A+ and+ B

  • She speaks both English and French.
  • You can either call me or send a message.
  • She speaks both English or French.
  • She speaks both English and French.

Quick Check

1/4

Put in order

Tap the words in the order of the sentence.