In, on, at: one scale of precision that covers both time and place
In, on or at? One scale of precision - point, surface, container - explains both time and place, plus the in time and on time difference and the exceptions.
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A, an, the, and none at all: how English articles actually work
English articles explained: a or an by sound not spelling, when the definite article is required, and when to use no article at all. With the usual mistakes.
Present perfect vs past simple: the question that actually decides it
Present perfect or past simple? The deciding question is not whether the action is finished, but whether the sentence names a finished time. With the traps.
Separable and inseparable phrasal verbs: the test that tells them apart
Separable and inseparable phrasal verbs explained: the one test that tells them apart, worked examples of each, and the pronoun rule that settles word order.
How to use English idioms correctly: what to learn, and what only to recognise
English idioms are mostly a skill for understanding others, not for speaking. Common examples with their meanings, and a filter for the few worth saying.
How to write a polite email in English that does not read as rude
Politeness in a professional email in English is carried by the shape of the request. The format, the phrases and the habits that make formal emails land well.
Singular opener, plural noun: the grammar rule your course left out
The singular opener turns up before plural nouns in every kind of English speech. Here is why it happens, when the rule genuinely bends, and what to write.
Pronunciation of the regular past ending: three sounds, one rule
The regular past tense ending is pronounced three ways in English. One question about the sound before it decides every verb, so there is nothing to memorise.
Paraphrasing the question in IELTS Writing Task 2: what examiners reward
IELTS Writing Task 2 paraphrasing, judged against the band descriptors: which techniques earn marks, which words to leave alone, and where a rewrite costs you.
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