‘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, ...

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 ...

'Can', 'could', 'be able to', 'manage to' Present tenses Present perfect continuous Quantifiers Phrasals First and zero conditional We talk about unreal or imaginary situations using the second ...