Imagine you see an action movie on television. Perhaps it is the movie Predator, a famous film starring Arnold Schwarzenegger. It involves an alien creature who attacks people in the jungle. You ...

What is a conditional sentence? Conditionals are structures which express a situation and the possible results. If it rains, I'll stay inside and watch a film. Use the zero conditional to express ...

‘If’ usually introduces conditional clauses. The same applies to other conditionals such as unless, should and in case which, however, perform other functions in different contexts. As conditionals, ...