Change these sentences into the past tenses. Use the words given in the brackets.

1. I swim in the river every day. (last Sunday)

2. I travel to France every year. (last year)

3. He is working in the garden now. (the whole evening)

1. I swam in the river last Sunday.

Explanation: To change the present tense sentence into the past tense, we need to change the verb "swim" to its past tense form, which is "swam". We also add the time phrase "last Sunday" to specify when the action took place.

2. I traveled to France last year.

Explanation: To change the present tense sentence into the past tense, we need to change the verb "travel" to its past tense form, which is "traveled". We also add the time phrase "last year" to specify when the action took place.

3. He was working in the garden the whole evening.

Explanation: To change the present tense sentence into the past tense, we need to change the verb "is working" to its past tense form, which is "was working". We also add the time phrase "the whole evening" to specify when the action took place.