What is the difference between ‘must’ and ‘have to’? Does ‘must’ have a past form? Does ‘have to’ have a past form? What is the difference between ‘mustn’t’ and ‘don’t have to’?
Grade 9 Grammar Lesson 4 Present continuous
2nd Grade Grammar Prepositions of Place
Genre/Topic: Parts of speech, Prepositions
At, in, on, between, behind, under, near, next to and in front of are prepositions of place. We use them to tell where somebody or something is.
Grade 10 Grammar Lesson 26 Articles: a and an
Genre/Topic: Articles
Where do we use the article ‘a’? Where do we use the article ‘an’? What articles are used before abbreviations? Can we replace ‘a/an’ with ‘one’? Where do we use ‘one’?
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Grade 9 Grammar Lesson 21 Could and could have
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Grade 9 Grammar Lesson 5 Present simple
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Grade 3 Grammar Lesson 16 Punctuation – comma
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