The key to exercise solutions for the textbook Focus 4 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones and Daniel Brawshaw from Pearson Education
1.1 - Vocabulary
1.2 - Grammar
1.3 - Listening
1.4 - Reading
1.6 - Speaking
1.7 - Use of English
1.8 - Writing
2.1 - Vocabulary
2.3 - Listening
2.4 - Reading
2.5 - Grammar
2.6 - Speaking
2.7 - Use of English
2.8 - Writing
3.1 - Vocabulary
3.2 - Grammar
3.3 - Listening
3.4 - Reading
3.5 - Grammar
3.6 - Speaking
3.7 - Use of English
4.1 - Vocabulary
4.2 - Grammar
4.3 - Listening
4.4 - Reading
4.6 - Speaking
4.7 - Use of English
5.1 - Vocabulary
5.2 - Grammar
5.3 - Listening
5.4 - Reading
5.5 - Grammar
5.6 - Speaking
5.7 - Use of English
6.2 - Grammar
6.3 - Listening
6.4 - Reading
6.6 - Speaking
6.7 - Use of English
7.2 - Grammar
7.3 - Listening
7.4 - Reading
7.5 - Grammar
7.6 - Speaking
7.7 - Use of English
8.1 - Vocabulary
8.3 - Listening
8.4 - Reading
8.5 - Grammar
8.6 - Speaking
8.7 - Use of English
8.8 - Writing
Unit 1 - BBC
Focus Vlog 1
Unit 2 - BBC
Focus Vlog 2
Unit 3 - BBC
Focus Vlog 3
Unit 4 - BBC
Focus Vlog 4
Unit 5 - BBC
Focus Vlog 5
Unit 6 - BBC
Focus Vlog 6
Unit 7 - BBC
Focus Vlog 7
Unit 8 - BBC
Focus Vlog 8
1.2 - Present and past habits
1.5 - Verb patterns
1.7 - Register - formal and informal language
2.2 - Past Perfect Simple and Past Perfect Continuous
2.5 - Relative clauses
2.7 - Collocations
3.2 - Future forms including the Future Perfect Continuous
3.5 -Quantifiers
3.7 - Determiners
4.2 - Question tags and reply questions
4.5 - Present and past modal structures
4.7 - Modality - alternative structures
5.2 - Reported speech
5.5 - Reporting verbs
5.7 - Phrasal verbs - advanced points
6.2 - Conditional clauses - alternatives to if
6.5 - Mixed conditionals
6.7 - Compound nouns and adjectives
7.2 - Advanced passive forms
7.5 - Passive reporting structures
7.7 - Easily confused words
8.2 - Unreal past and regrets - wish, if only, it's time and would rather
8.5 - Emphasis - cleft sentences and inversion
8.7 - Word families - prefixes