When you write an essay or report, you rarely present only one side of an argument. You need to show that reality is complex — that despite one fact, another fact also exists. This is where contrast and concession markers become essential tools.

Contrast markers signal to your reader that you are now presenting an opposing or different idea. The most common ones in academic writing are however, on the other hand, in contrast, and conversely. These all tell the reader: 'What comes next is different from what came before.' However, they differ in strength. However is the most versatile and neutral. Conversely is stronger — it suggests a direct reversal. In contrast works well when you are comparing two things side by side, such as two countries, two time periods, or two policies.

Concession markers do something slightly different. They acknowledge that a fact is true, but then introduce a contrasting point that overrides or qualifies it. Nevertheless, despite, and in spite of all perform this function. When you write 'Despite rising costs, the project was completed on time,' you are accepting the reality of rising costs while emphasising the more important fact: the project succeeded.

Position matters. However and nevertheless can appear at the beginning of a sentence (followed by a comma) or in the middle (between two commas). Despite and in spite of always come before a noun phrase or gerund, never before a full clause — a common mistake. You cannot write 'Despite the costs were rising' — you must write 'Despite the costs rising' or 'Despite the fact that the costs were rising.'

Choosing the right marker depends on the strength of contrast you want to express. If the two ideas are simply different, use however or on the other hand. If the second idea is surprising given the first, use nevertheless or despite. If the two ideas are directly opposite, use conversely. This precision helps your writing score higher in Coherence and Cohesion because examiners can see that you are controlling the logical relationships in your text deliberately.

In academic writing, you rarely make a single point and stop. You need to build arguments layer by layer — adding supporting reasons, providing specific examples, and developing your ideas with evidence. Addition and exemplification markers are the grammar tools that make this possible.

Addition markers signal that you are introducing a further point that supports or extends the same argument. The most common academic addition markers are furthermore, moreover, in addition, and additionally. They all mean 'there is more to say on this point,' but they carry slightly different tones. Furthermore and moreover are the most formal and are well-suited to IELTS Task 2 and PTE Write Essay. In addition is slightly less formal but perfectly acceptable. Additionally works well in mid-sentence position.

Exemplification markers signal that you are about to provide a specific instance or illustration of a general claim. For example and for instance are functionally interchangeable and can introduce entire clauses or noun phrases. Such as is different — it introduces a noun phrase only and is typically embedded within a sentence rather than beginning a new one. In particular and specifically narrow the focus, signalling that you are zooming in on one especially relevant detail.

A key skill for higher scores is variety. If every supporting point begins with for example or in addition, your writing sounds repetitive and mechanical. Examiners notice this — it lowers your Coherence and Cohesion score because it suggests limited range. Instead, rotate your markers. Begin one point with furthermore, introduce the next with moreover, and provide an example with in particular rather than another for example.

One important structural note: such as must be followed by a noun or noun phrase, never a full clause. You can write 'Countries such as Japan and Germany have invested heavily in robotics,' but you cannot write 'Such as Japan has invested in robotics.' Practice the correct form until it becomes automatic.

Every strong piece of academic writing needs to show cause-and-effect relationships and bring arguments to a clear conclusion. Cause, result, and conclusion markers are the grammatical signposts that make these logical connections explicit for your reader.

Result markers indicate that what follows is a consequence or outcome of what came before. The most common academic options are therefore, consequently, as a result, and thus. All four signal cause-effect, but they differ in formality and placement. Therefore is the most versatile and widely used across both IELTS and PTE tasks. Consequently carries a slightly more formal tone and often implies a chain of events — one thing led to another, which led to the consequence. As a result is slightly less formal and works well in mid-paragraph. Thus is the most formal and academic; it can mean 'therefore' or 'in this way' depending on context, so use it when you are confident about the meaning.

A critical structural point: when these markers begin a sentence, they must be followed by a comma. 'Therefore, governments should act' is correct. 'Therefore governments should act' is a punctuation error that examiners will notice. When placed mid-sentence, they are typically enclosed by commas: 'The data, therefore, supports the conclusion that...'

Conclusion markers signal that you are wrapping up an argument or essay. In conclusion, to sum up, and overall are the most common. They are not interchangeable in all contexts — in conclusion belongs at the start of a concluding paragraph in an essay, while overall can appear at the beginning of a summary or a concluding sentence within a paragraph. To sum up is slightly informal and works better in PTE Write Essay than in IELTS Task 1 reports, where overall is the expected choice.

One mistake that weakens writing is using a result marker when the logical relationship is not truly cause-effect. If you write 'Many people prefer cities. Therefore, urbanisation is increasing,' the connection is weak — preference is not the sole cause. Be precise and only use a result marker when the cause-effect link is genuine and clear.