Explanations:
Explanation 1 (Spanish)Explanation 2 (English)
Exercises
Exercise 1: write affirmative sentences.
Exercise 2: write negative sentences.
Exercise 3: write questions.
Exercise 4: write questions with QUESTION WORDS.
Exercise 5: write the verb in affirmative, negative or interrogative form.
Exercise 6: write the verb in affirmative, negative or interrogative form.
FOR and SINCE
Explanation 1 (Spanish)
Explanation 2 (English)
Exercise 1: choose FOR or SINCE
Exercise 2: choose FOR or SINCE
Exercise 3: choose FOR or SINCE
Exercise 4: choose FOR or SINCE
Exercise 5: write complete answers with FOR or SINCE
Exercise 6: choose FOR - SINCE - AGO
PRESENT PERFECT versus SIMPLE PAST
Explanation 1 (English)
Explanation 2 (English)
Explanation 3 (English)
Explanation 4 (English)
Explanation 5 (Spanish)
Explanation 6 (Spanish)
Exercise 1: write the correct tense (Simple Past or Present Perfect)
Exercise 2: choose the correct tense (Simple Past or Present Perfect)
Exercise 3: choose the correct tense - three-option test (Simple Past or Present Perfect)
Exercise 4: choose the correct tense - four-option test (Simple Past or Present Perfect)
Exercise 5: choose the correct tense - three-option test (Simple Past or Present Perfect)
Exercise 6: write the correct tense (Simple Past or Present Perfect)
Exercise 7: write the correct tense (Simple Past or Present Perfect), with time expressions.
Exercise 8: write the correct tense (Simple Past or Present Perfect), gap-filling in a text.
Explanation 2 (English)
Explanation 3 (English)
Explanation 4 (English)
Explanation 5 (Spanish)
Explanation 6 (Spanish)
Exercise 1: write the correct tense (Simple Past or Present Perfect)
Exercise 2: choose the correct tense (Simple Past or Present Perfect)
Exercise 3: choose the correct tense - three-option test (Simple Past or Present Perfect)
Exercise 4: choose the correct tense - four-option test (Simple Past or Present Perfect)
Exercise 5: choose the correct tense - three-option test (Simple Past or Present Perfect)
Exercise 6: write the correct tense (Simple Past or Present Perfect)
Exercise 7: write the correct tense (Simple Past or Present Perfect), with time expressions.
Exercise 8: write the correct tense (Simple Past or Present Perfect), gap-filling in a text.