Levels & career tracks
Curso básico · A1–A2
Nivel A1.1 — IdentidadNivel A1.2 — Rutinas y entornoNivel A2.1 — Contando el mundoNivel A2.2 — Comparando y proyectandoIntermedio · B1–B2
Level B1.1 — Connecting experiencesLevel B1.2 — Narrating and describingLevel B2.1 — ArguingLevel B2.2 — NuanceProfesional / Avanzado · C1–C2
Level C1.1 — PrecisionLevel C1.2 — Register and discourseLevel C2.1 — Style Current levelLevel C2.2 — Native masteryInglés técnico y especialización
Career Track BusinessCareer Track Economics and FinanceCareer Track Business AdministrationCareer Track Information Systems EngineeringCareer Track Educational SciencesCareer Track Medicine and Health SciencesCareer Track Tourism and HospitalityCareer Track Occupational Health and SafetyCareer Track Legal EnglishC2 mastery includes constructing layered, sophisticated sentences that combine inversion, concession, reduction, and nested clauses — the kind of syntax found in high-level journalism, literature, and formal argumentation.
Why this matters This lesson connects directly to your progress: it covers inverted and fronted structures; concessive and conditional complexity; reduced clauses and layered structures. Mastering this content lets you move forward confidently, and reinforces patterns you'll use again later. Take time to review every example before moving to the assessment — repetition is what actually locks knowledge in long-term.
01
The goals of this lesson.
02
You already use relative clauses and inversion. This lesson combines advanced structures into complex sentences typical of formal writing and native-level speech.
03
Moving key elements to the front of the sentence — often triggering inversion — creates a more literary, emphatic tone.
Examples
04
Beyond simple "although," structures like "however + adjective," "given that," and "provided that" allow for more precise, formal conditions and concessions.
Examples
05
Advanced writers compress full clauses into shorter participle or adjective phrases, layering multiple ideas into a single elegant sentence.
Examples
06
Read the text and answer the questions. You can try as many times as you want.
Had the negotiations failed, the merger would likely never have proceeded. Rare is the deal that survives such last-minute complications, yet, against all odds, both parties reached an agreement. Not until the final signature was in place did anyone truly believe the deal would close.
What ultimately saved the negotiations was not clever legal maneuvering, but sheer persistence on both sides. Provided that both companies honor the terms, the partnership promises to reshape the industry. Far from being a routine transaction, this merger, complex as it was, may well be remembered as a turning point.
1. What would have happened if the negotiations had failed?
2. When did people believe the deal would close?
3. What ultimately saved the negotiations?
4. What is required for the partnership to succeed?
5. How is the merger ultimately described?
💪 So thoroughly have you mastered this material that native complexity is now within reach. Review, or continue on!
07
Usa las pistas para completar cada palabra en inglés. Sin calificar — repite las veces que quieras.
08
The essentials of this lesson, summarized.
09
Key terms to remember.
a group of people appointed for a specific function
Subject of an inverted conditional ("Had the committee approved..."), a hallmark of formal, literary syntax replacing "If the committee had approved...".
Formal / literaryCollocations: committee approval, form a committee, chair a committee
Synonyms: board, panel, council
not occurring often; uncommon
Fronting "Rare is the leader..." creates a literary, emphatic inversion rarely used outside formal or rhetorical writing.
Formal / literaryCollocations: a rare occurrence, increasingly rare, rare exception
Synonyms: uncommon, scarce, exceptional
up to the point when something happens
"Not until...did" is a formal inverted structure that delays and emphasizes the main clause's revelation.
Formal / literaryCollocations: not until, until such time, wait until
Synonyms: till, up to the point that
exactly; in an exact manner
Used in a cleft structure ("It was precisely this...that") to add emphatic precision to formal argumentation.
FormalCollocations: precisely because, quite precisely, precisely what
Synonyms: exactly, specifically
no matter what; used to dismiss alternatives as irrelevant
Opens a concessive clause ("Whatever the outcome may be"), a formal way to acknowledge uncertainty before making a firm claim.
FormalCollocations: whatever happens, whatever the case, whatever it takes
Synonyms: no matter what, regardless of what
used to introduce a contrast or qualifying idea, or (here) 'no matter how'
"However complex" (meaning "no matter how complex") is a formal concessive structure common in academic argumentation.
Formal / academicCollocations: however difficult, however unlikely, however you look at it
Synonyms: no matter how, regardless of how
10
Tap the words in the correct order to form the sentence. Ungraded — repeat as many times as you like.
11
Tap the correct verb form to complete each sentence. The other options are conjugations from other tenses — on purpose, so you learn to tell them apart.
The while ambitious ultimately proved successful
Whether plan succeeds or fails valuable lessons will be learned
What determined the outcome was not talent but persistence
Whatever outcome may be the team's dedication cannot be questioned
Regardless how the negotiations unfold both parties remain committed to dialogue
12
Listen to the full dialogue with the speaker buttons first, then fill in the missing words from this lesson's real conversation. Ungraded — repeat as many times as you like.
Why the company expand into that
Had they known the regulations they might have entered
13
You need at least 80% to unlock the next lesson. You can retake it as many times as you want — your best score is saved.
1. Select the correct match for: "The proposal, having been reviewed extensively, was finally approved."
2. What does this mean: "The strategy, while ambitious, ultimately proved successful."?
3. What does this mean: "Not only does the data support this claim, but it also reveals an unexpected trend."?
4. Which option matches: "Regardless of how the negotiations unfold, both parties remain committed to dialogue."?
5. Select the correct match for: "Whether the plan succeeds or fails, valuable lessons will be learned."
6. Select the correct match for: "The extent to which the policy succeeded remains a matter of debate."
7. What does this mean: "Given that resources are limited, prioritization becomes essential."?
8. Choose the equivalent of: "Not until the final report was published did the true scale of the problem become apparent."
9. What does this mean: "So thoroughly had they prepared that no question caught them off guard."?
10. Which option matches: "It is precisely because of this uncertainty that careful planning matters most."?
Review — Lesson 57 What matches: "Draw a conclusion"?
Review — Lesson 57 What matches: "Buy"?
14
You now build genuinely complex sentences. Next lesson: rhetorical devices — irony, rhythm, and antithesis.
15
Practice this lesson's vocabulary with a word search and flashcards. Ungraded — play as many times as you like.
Tap the first and last letter of a hidden word to find it. Los términos de varias palabras van sin espacios en el tablero (ej. "give up" aparece como GIVEUP).
Elige la respuesta correcta. Si aciertas, la tarjeta queda lista por hoy; si fallas, vuelve a aparecer pronto para reforzarla. Tu progreso se guarda en este dispositivo.