Skip to content
Mastery / B2 First

LC1.5 · Verb tenses · B2 First

Future Forms in B2 First

Three future forms that most languages handle with just one. Will, going to and present continuous compete in Part 2 — and the most lethal trap is using will in time clauses.

Competency 5 of 82 4 direct exercises in R2

Where it appears in the exam

Dónde aparece esta competencia en el B2 First Frecuencia con la que esta competencia aparece en cada parte del examen B2 First. B2 First Reading & Use of English Part 1 Multiple Choice Cloze Part 2 Open Cloze Frecuente Part 3 Word Formation Part 4 Key Word Transformation Raro Part 5 Multiple Choice Contextual Part 6 Gapped Text Contextual Part 7 Multiple Matching Contextual Frecuente Ocasional Raro Contextual No aplica

What is it?

The future in English is expressed with three competing forms: WILL (spontaneous decision, opinion-based prediction, promises), GOING TO (pre-existing plan, evidence-based prediction) and PRESENT CONTINUOUS (fixed arrangement with time/place). Additionally, time clauses (when, if, as soon as) demand Present Simple — never will. Most languages handle future with one or two forms, without the plan vs fixed arrangement distinction.

Why it matters in the exam

It's the most exploited future competency in B2 First. Part 2 (Open Cloze) tests it with high intensity: you must produce will, going, am or the verb in present tense with no options. The time clause trap is lethal because most languages use future or subjunctive forms where English demands present simple.

The cognitive trap

Instinct

"Your brain picks the simplest future form and uses it for everything"

This is cognitive economy: your brain has one category for 'things that will happen' and doesn't naturally split it into spontaneous vs planned vs arranged. The distinction feels artificial because in your mental model, a future event is just a future event — the circumstances of how you decided don't seem grammatically relevant.

Rule

"I'm seeing the doctor tomorrow" ≠ "I'm going to see a doctor" ≠ "I'll call you when I arrive"

3 forms with distinct rules. Fixed arrangement = present continuous. Plan/intention = going to. And in time clauses: NEVER will — always Present Simple.

Recognition pattern

Which future form do I use?
Are you inside a time clause? (when, if, as soon as, until, before, after)
PRESENT SIMPLE — 'When I arrive...' (NEVER will)
NO
Is it a spontaneous decision, promise, offer, or opinion-based prediction?
WILL — 'I'll help you' / 'I think it will rain'
NO
Is there a fixed arrangement with specific time, place or person?
PRESENT CONTINUOUS — 'I'm meeting John at 3pm'
NO
GOING TO — 'I'm going to study medicine' / visible evidence

In the exam, look for the key signal first. The answer follows.

Signals that determine the future form

Signal Form
when / if / as soon as / until / before / after Present Simple (NEVER will)

"I'll call you when I get home."

Signal Form
I think / I believe / probably / perhaps will (opinion-based prediction)

"I think she will pass the exam."

Signal Form
Look! / visible evidence right now going to (evidence-based prediction)

"Look at those clouds — it's going to rain."

Signal Form
decision made right now / spontaneous offer will ('ll)

"The phone's ringing. I'll answer it."

Signal Form
pre-existing plan / prior intention going to

"I'm going to learn French next year."

Signal Form
time + place + person (diary/calendar) present continuous

"I'm having lunch with Sarah at 1pm."

Signal Form
promise / offer / threat / refusal will

"I promise I won't tell anyone."

Signal Form
Shall I...? / Shall we...? shall (offer/suggestion)

"Shall I open the window?"

Signal Form
I've decided / I've made up my mind going to

"I've decided — I'm going to quit my job."

Signal Form
diary / timetable / fixed appointment present continuous

"We're flying to Rome on Saturday."

The 4 errors that Cambridge exploits

Wrong

"I'll call you when I will arrive."

The #1 error across all language backgrounds. The rule is absolute: NEVER will after when/if/as soon as.

Right

"I'll call you when I arrive."

Time clause (when) → Present Simple in the subordinate clause. Will only in the main clause.

Wrong

"Look at those clouds — it will rain."

Will = opinion ('I think it will rain'). With visible evidence RIGHT NOW, Cambridge demands going to.

Right

"Look at those clouds — it's going to rain."

Visible evidence (clouds) → going to. The prediction is based on what you CAN SEE, not on opinion.

Wrong

"I'm going to meet Sarah at 6pm tomorrow."

Going to sounds like an intention. With concrete logistical details (person + time), Cambridge expects present continuous.

Right

"I'm meeting Sarah at 6pm tomorrow."

Fixed arrangement: person (Sarah) + time (6pm) + day (tomorrow) = present continuous.

Wrong

"Don't worry, I'm going to carry your bag."

Going to implies you had already decided before. But you just saw the person needs help — it's spontaneous.

Right

"Don't worry, I'll carry your bag."

Spontaneous offer — you decide NOW, in response to the situation. Will.

Why your brain gets it wrong

The learner's short circuit

Analyse the trap by exam format

Part 2 — Open Cloze

I will send you the information as soon as I ______ back to my desk.

Your brain
You wrote will get
Correct get

Your brain translates a future concept and produces 'will get'. But in English, 'as soon as' DEMANDS Present Simple. Will is impossible here.

The signal

as soon as

'as soon as' = time clause → Present Simple. The main clause already has will — the subordinate NEVER repeats will.

get

The most lethal trap across all language backgrounds

Most languages use a future or subjunctive form in time clauses. In English, the rule is absolute: when/if/as soon as/until/before/after + Present Simple.

Strategy

Locate the time clause FIRST. If there's when/if/as soon as/until/before/after, write the verb in present tense. The main clause takes will — the subordinate NEVER does.

Future Forms is 1 of 82

The exam tests 82 grammar competencies across 19 families. Mastering one is the first step. Automating all 82 is passing.

Tiempos verbales 6
Modales 5
Pasiva y causativa 2
Condicionales 6
Infinitivo, gerundio y participio 5
Énfasis y orden de palabras 4
Oraciones de relativo 4
Reported Speech 4
Comparativos y superlativos 5
Conectores 5
Preposiciones 4
Colocaciones y phrasal verbs 4
Formación de palabras 6
Determinantes y cuantificadores 4
Adjetivos y adverbios 5
Preguntas y negación 4
Patrones verbales 3
Concordancia y ortografía 3
Vocabulario 3

Keep practising

Now you understand how it works in the exam. Automating it requires guided practice.

Start your preparation

Free. No credit card.

Start your preparation →