18 topics

Clauses & Conditionals

Clause types and conditional structures: zero, first, second, third, and mixed conditionals; relative clauses (defining and non-defining); noun clauses; gerunds and infinitives; participle clauses; wish and unreal past.

Topics in this Category

  1. 1
    B1

    Zero Conditional

    Learn the Zero Conditional (If/When + present simple) to state general truths, scientific facts, and habits confidently.

  2. 2
    B1

    First Conditional

    Learn the First Conditional (If + present simple, will + infinitive) to talk confidently about real future possibilities.

  3. 3
    B1

    Second Conditional

    Learn the Second Conditional (If + past simple, would + infinitive) to imagine hypothetical present or future situations.

  4. 4
    B1

    Defining Relative Clauses

    Master Defining Relative Clauses with who, which, that to identify exactly which person or thing you mean, with no commas.

  5. 5
    B1

    Gerunds and Infinitives

    Master gerunds (-ing) versus to + infinitive after verbs, adjectives, and nouns to sound natural and grammatically accurate.

  6. 6
    B2

    Third Conditional

    Learn the Third Conditional (If + past perfect, would have + past participle) to express regrets about the unchangeable past.

  7. 7
    B2

    Mixed Conditionals

    Master Mixed Conditionals to combine time frames, linking a past hypothetical cause with a present result and vice versa.

  8. 8
    B2

    Alternatives to If (Unless, Provided That, As Long As, In Case)

    Learn conditional alternatives to if — unless, provided that, as long as, in case — to vary your sentences naturally.

  9. 9
    B2

    Non-Defining Relative Clauses

    Master Non-Defining Relative Clauses, set off by commas, to add extra information smoothly, as in 'My sister, who lives in Paris...'.

  10. 10
    B2

    Noun Clauses (That-clauses and Wh-clauses)

    Master Noun Clauses (that-clauses and wh-clauses) to use whole clauses as subjects or objects, like 'I know that she left.'

  11. 11
    B2

    Wish and If Only

    Learn wish and if only to express regret or a desire for things to be different, as in 'I wish I had studied harder.'

  12. 12
    B2

    Formal Subjunctive

    Learn the Formal Subjunctive to sound professional in suggestions and demands, as in 'It is essential that she arrive on time.'

  13. 13
    C1

    Advanced Conditionals (Inversion, Supposing, Assuming)

    Master advanced conditionals — formal inversion (Had I known...) plus supposing, assuming, given that — for sophisticated English.

  14. 14
    C1

    Participle Clauses (Sentence Shortening)

    Master participle clauses (-ing, -ed, having + past participle) to shorten sentences smoothly, as in 'Walking home, I saw an accident.'

  15. 15
    C1

    The Unreal Past (Beyond 'Wish' and 'If')

    Learn unreal past structures — it's time, I'd rather, as if/as though, would sooner, had better — for nuanced English.

  16. 16
    C1

    Free Relatives (whoever, whatever, wherever)

    Master free relatives — whoever, whatever, whenever, wherever, however — to build flexible noun or adverb phrases.

  17. 17
    C1

    What-Clauses

    Master what-clauses as subject or complement to emphasize ideas, as in 'What surprised me was her reaction.'

  18. 18
    C2

    Complex Sentence Architecture (Embedded, Absolute, and Verbless Clauses)

    Master C2-level clause structures — deeply embedded, absolute, and verbless clauses — for polished academic and formal writing.