Exercise 1.1 - Put the words in order to make an affirmative sentence:

apartment / live / I / an / in

Answer: I live in an apartment.

Explanation:
1. Start with the subject (I)
2. Add the main verb (live)
3. Add the preposition (in)
4. Complete with the article and noun (an apartment)

Exercise 1.2 - Put the words in order:

have / don't / a pet / they

Answer: They don't have a pet.

Explanation:
1. Start with the subject (they)
2. Add the negative auxiliary (don't)
3. Add the main verb (have)
4. Complete with the object (a pet)

Exercise 1.3 - Put the words in order:

to work / go / by train / we

Answer: We go to work by train.

Explanation:
1. Start with the subject (we)
2. Add the main verb (go)
3. Add the destination (to work)
4. Add the means of transport (by train)

Exercise 1.3 - Word Order in English Sentences

Original words: to work / go / by train / we

Answer: We go to work by train.

📝 Detailed Explanation:

1. Basic English Sentence Structure Rule:
   * Subject + Verb + Object/Complement + Adverbial
   * This is the standard word order in English affirmative sentences

2. Step-by-Step Solution:
   * Subject (WHO?): 'we'
   * Main Verb (ACTION): 'go'
   * Destination (WHERE TO?): 'to work'
   * Method (HOW?): 'by train'

3. Grammar Rules Applied:
   * The subject always comes first in affirmative sentences
   * The main verb follows directly after the subject
   * Adverbials of place (to work) usually come before adverbials of manner (by train)
   * Prepositions 'to' and 'by' stay with their respective nouns

4. Common Mistakes to Avoid:
   * ❌ Go we to work by train
   * ❌ We by train go to work
   * ✅ We go to work by train