Unit 3

Comparative and Superlative adjectives:
Comparatives: Exercise 1, exercise 2, exercise 3
Superlatives: Exercise 1, exercise 2, exercise 3
Too/Enough: Exercise 1, exercise 2

UNIT 2

VOCABULARY: 1- ART 2- ADJECTIVES.
GRAMMAR : PRESENT SIMPLE AND PRESENT CONTINUOUS.
Present Simple exercises: exercise 1, exercise 2, exercise 3
Present Continuous exercises: exercise 1, exercise 2, exercise 3
Present Simple//Present Continuous: exercise 1, exercise 2, exercise 3,  
exercise 4, exercise 5

Unit 7

THE FUTURE: WILL/BE GOING TO/ PRESENTE CONTINUOUS
GRAMMAR REFERENCE: En estos enlaces encontrarás explicada la diferencia entre los tres tiempos.
1, 2, 3
GRAMMAR EXERCISES: Aquí tienes ejercicios para practicar.
En estos ejercicios los tiempos aparecen por separado:
Exercise 1, exercise 2, exercise 3, exercise 4, exercise 5
En estos ejercicios los tres tiempos están mezclados:
Exercise 1, exercise 2, exercise 3, exercise 4, exercise 5
FIRST CONDITIONAL
Exercise 1 , exercise 2 , exercise 3, exercise 4

Unit 6

Vocabulary
Fashion: exercise 1, exercise 2, exercise 3
Grammar: Modal verbs.
Can / Can´t: exercise 1, exercise 2
Could/Couldn´t: exercise 1
Must/Mustn´t: exercise 1
Should/Shouldn´t: exercise 1, exercise 2, exercise 3
Permission and obligation: exercise 1
Permission, obligation and prohibition: exercise 1

Unit 5

Vocabulary
Emotions: exercise 1, exercise 2
Jobs: exercise 1, exercise 2, exercise 3
Grammar
Past Continuous: exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6
Past Continuous/Past Simple: exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6, exercise 7

SIMPLE PAST

exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6, exercise 7

Unit 3 comparative

Exercise1
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Exercise 6
Exercise 7
Exercise 8
Exercise 9
Exercise 10
Exercise 11
Exercise 12
Exercise 13
Exercise 14
Exercise 15
Exercise 16
Exercise 17