Instructions:
1. Read the given sentences.
2. Pick the sentence that is telling us about the past.

Instructions:
1. Read the given sentence.
2. Look at the underlined word.
3. If the underlined word is a plural noun, click Yes, otherwise click No.

Example: This is a tree.
Method: Figure out which word is a common name given to a person, place or thing and select it.
Answer: The noun in the above sentence is 'tree'. Therefore, the answer is 'tree'.

Example: I am reading.
Method: Find the verb phrase, then figure out the action word. Select the word in the verb phrase used before the action word.
Answer: The verb in the above sentence is 'reading' and 'am' is the helping verb. Therefore, the answer is 'am'.

Example: The cat chase the rat.
Method: Figure out if the subject is singular or plural. Then, find the verb. If the subject is singular then the verb must also be singular. If the subject is plural, then the verb must also be plural.
Answer: In the above sentence, 'cat' is singular. So the verb "chase" must also be singular. Therefore, the answer is 'chase'.

Instructions:
1. Read the word given in the question.
2. Read all the given choices.
3. Click the meaning of the given word in the question.

Example: a substance added to a liquid to lower its freezing point