Worksheet English Grade 11 Term 1: Grammar: Present/past perfect

TASK 1. Short answer: Eagle Migration

Conjugate the verbs in brackets into Present Perfect or Past Perfect to complete the sentences about eagle migration.

TASK 2. Classification: Tense Functions

Sort the following sentences into two categories: "Completed action in the past (Past Perfect)" or "Action with present relevance (Present Perfect)". Write the sentence number in the correct column.

1. The dolphins have learned how to use tools to protect their noses.

2. The researchers had finished the observation before the storm started.

3. The bees have pollinated these flowers throughout the spring.

4. The colony had abandoned the hive long before we arrived.

TASK 3. Mini-research: Dolphin and Bat Habits

Choose ONE level to complete:

Level 1 (Comparison Table): Fill in the table using these sentences: "Bats have lived in caves for centuries", "Dolphins have communicated using clicks", "Bats had emerged at night", "Dolphins had hunted in groups".