Formation of nouns using a range of prefixes [for example super–, anti–, auto–]
Use of the forms a or an according to whether the next word begins with a consonant or a vowel [for example, a rock, an open box]
Word families based on common words, showing how words are related in form and meaning [for example, solve, solution, solver, dissolve, insoluble]
Expressing time, place and cause using conjunctions [for example, when, before, after, while, so, because]
Expressing time, place and cause using prepositions [for example, before, after, during, in, because of]
Expressing time, place and cause using adverbs [for example, then, next, soon, therefore]