Demonstrative pronouns

1. this

1.1. this armchair is very confortable

1.2. singular

1.3. este

2. those

2.1. those tables are very expensive

2.2. plural

2.3. esos

3. that

3.1. please, sit on that sofa

3.2. singular

3.3. ese

4. these

4.1. these friends are new

4.2. plural

4.3. estos