IELTS Sequencing | Process & Chronology Language

IELTS Sequencing Masterclass

Master the language of order – describing processes, life cycles, and chronological events for Writing Task 1.

What is Sequencing Language?

Sequencing words (first, then, after that, finally) are essential for describing processes, life cycles, and any series of events. This guide teaches you how to use them naturally for Band 7-9 Task 1 answers.

Basic Sequencing Words

Beginning the Process

first
"First, the limestone is crushed."
firstly
"Firstly, the raw materials are collected."
to begin with
"To begin with, the eggs are laid."
initially
"Initially, the clay is mixed with water."
the first step is
"The first step is to crush the limestone."
the process begins with
"The process begins with the extraction of raw materials."

Middle Stages

then
"Then, the powder is heated."
next
"Next, the mixture is stirred."
after that
"After that, the liquid is filtered."
once this has been done
"Once this has been done, the material is cooled."
subsequently
"Subsequently, the product is packaged."
following this
"Following this, the items are inspected."
meanwhile
"Meanwhile, the water is heated separately."

Ending the Process

finally
"Finally, the cement is bagged."
lastly
"Lastly, the finished product is shipped."
the final stage is
"The final stage is quality control."
the process ends when
"The process ends when the bottles are sealed."
ultimately
"Ultimately, the concrete is ready for use."

Simultaneous Actions

meanwhile
"Meanwhile, the water is heated to 100°C."
simultaneously
"Simultaneously, two chemical reactions occur."
at the same time
"At the same time, the gas is released."

Advanced Sequencing for Band 9

Complex Sentence Structures

prior to + -ing
"Prior to being packaged, the product is tested."
subsequent to + -ing
"Subsequent to heating, the mixture is cooled."
once + past participle
"Once crushed, the powder is sieved."
following + noun
"Following the crushing stage, the material is heated."
after which
"The limestone is crushed, after which it is ground into powder."
before + -ing
"Before being transported, the goods are labelled."

Band 9 Sample Answer

🏭 Cement Production Process

The diagram shows how cement is produced.

First, limestone and clay are crushed into a fine powder. Once crushed, the powder passes through a rotating heater where intense heat is applied. Following this, the material forms small hard balls called clinker. After this stage, the clinker is ground into a fine powder using a grinding machine, and a small amount of gypsum is added. Finally, the resulting cement is packaged into bags ready for distribution.

📖 Sequencing words used: First, Once crushed, Following this, After this stage, Finally.

Life Cycle Example

🐸 Life Cycle of a Frog

To begin with, adult frogs mate in water, and the female lays a mass of eggs called frogspawn. After approximately 10 days, the eggs hatch, and tiny tadpoles emerge. Next, the tadpoles develop hind legs, followed by front legs. During this stage, they begin to develop lungs and start coming to the water's surface to breathe air. After several weeks, the tail begins to shrink, and the young frog (called a froglet) develops fully formed lungs. Finally, after approximately 12 weeks, the froglet transforms into a fully mature adult frog.

Practice Exercise

📝 Fill in the blanks with appropriate sequencing words:

_____, the coffee beans are harvested. _____, they are dried in the sun. _____ this, the beans are roasted at high temperatures. _____ being roasted, they are ground into a fine powder. _____, the ground coffee is packaged and shipped to stores.

Click for answers

Answers: First, Then, After, Once, Finally

Common Sequencing Mistakes

❌ Using "firstly" for every step
Fix: Vary with "first, then, after that, next, finally"
❌ Skipping steps
Fix: Describe every stage shown in the diagram
❌ Mixing past and present tense
Fix: Use present simple for man-made processes, past for historical changes
❌ Overusing "and then"
Fix: Use "subsequently, following this, after which" for variety

Quick Reference Table

Position	Basic	Advanced (Band 9)
Start	First, Firstly, To begin with	The process begins with, Initially
Middle	Then, Next, After that	Subsequently, Following this, Once this is done
End	Finally, Lastly	The final stage is, Ultimately