LEVEL 1 (A1) vocabulary: fruits
vocabulary: colours
grammar: animals
grammar: present simple / present continuous
grammar: short forms
grammar: Cómo hacer preguntas (apuntes)
grammar: Wh- questions - present simple & continuous - 2
LEVEL 2 (A2) vocabulary: prepositions
vocabulary: shops
vocabulary: pets
grammar: negative sentences
reading: Julia's daily life
LEVEL 3 (B1.1) vocabulary: extreme adjectives {topworksheets version}
vocabulary: irregular verbs: opposites
grammar: possessive pronouns
grammar: frequency adverbs
grammar: comparisons
reading: a letter to a friend
reading: dog joke
action maze: how to have your own aquarium
LEVEL 4 (B1) vocabulary: European nationalities
vocabulary: TV programmes
vocabulary: irregular past tenses
vocabulary: next / last
reading: the Internet
reading: a fable by Aesop: the wolf and the crane
culture: general knowledge quiz
action maze: school trip
classnotes: question tags
grammar: question tags
LEVEL 5 (B2.1) vocabulary: idioms with "as... as" and adjectives (part 1)
vocabulary: idioms with "as... as" and adjectives (part 2)
vocabulary: idioms with "as... as" and adjectives (part 3)
grammar: passive voice
grammar: conditional clauses
reading: nicotine
reading: our environment
reading: problem page letter
grammar: collocations: problems
grammar: verbs ending in -en
grammar: verbs beginning with -en
LEVEL 6 (B2) vocabulary: air travel quiz
grammar: order of adjectives

Tereza Neves has also prepared a list of Hot Potatoes exercises and published them on the Internet.

JJCC