Which tense is formed by using “was/were + verb (ing)” ?

The correct answer is B. Past Continuous.

The past continuous tense is formed by using the past tense of the verb “to be” (was/were) and the -ing form of the main verb. It is used to talk about actions that were happening at a specific time in the past.

For example:

• I was sleeping when you called.
• They were playing football when the accident happened.
• The sun was shining when I woke up.

The past continuous tense can also be used to talk about actions that were happening over a period of time in the past.

For example:

• I was working on my project all day yesterday.
• We were traveling for two weeks last month.
• She was studying for her exam all night.

The past continuous tense is not used to talk about actions that were completed in the past. For this, you would use the simple past tense.

For example:

• I ate dinner at 7pm last night.
• They went to the beach last weekend.
• She won the race.

I hope this helps!