what is the simple & complete subject in the following sentence. Heart- shaped cards are exchanged in modern times.

The simple subject of the sentence is "cards".

The complete subject is whatever is doing the verb plus all of the descriptive words that go with it.

Therefore the complete subject is "heart-shaped cards"

To find the simple subject in a sentence, you need to identify the noun or pronoun that the sentence is about. In this case, the complete subject is "Heart-shaped cards."

Here's how you can identify it:
1. Look for the verb in the sentence, which is "are exchanged."
2. Identify who or what is doing the action of the verb. In this case, it is "Heart-shaped cards."
3. The noun phrase "Heart-shaped cards" is the simple subject.

To summarize, the simple subject in the sentence "Heart-shaped cards are exchanged in modern times" is "Heart-shaped cards."