Which statements about iambic pentameter are true? Check all that apply.

An iamb consists of an unstressed syllable followed by a stressed syllable.
A line of iambic pentameter contains five iambs, or ten syllables.
A line of iambic pentameter contains four iambs, or eight syllables.
Iambic pentameter does not follow a regular pattern of stressed and unstressed syllables.
Shakespeare uses iambic pentameter in his sonnets.

An iamb consists of an unstressed syllable followed by a stressed syllable.

A line of iambic pentameter contains five iambs, or ten syllables.
Shakespeare uses iambic pentameter in his sonnets.

The correct statements about iambic pentameter are:

- An iamb consists of an unstressed syllable followed by a stressed syllable.
- A line of iambic pentameter contains five iambs, or ten syllables.
- Shakespeare uses iambic pentameter in his sonnets.

To determine which statements about iambic pentameter are true, let's go through each statement:

1. An iamb consists of an unstressed syllable followed by a stressed syllable.
This statement is true. In iambic pentameter, an iamb is made up of an unstressed syllable followed by a stressed syllable.

2. A line of iambic pentameter contains five iambs, or ten syllables.
This statement is true. Iambic pentameter consists of five iambs, resulting in a line with ten syllables in total.

3. A line of iambic pentameter contains four iambs, or eight syllables.
This statement is false. A line of iambic pentameter consists of five iambs, not four. So, it has ten syllables, not eight.

4. Iambic pentameter does not follow a regular pattern of stressed and unstressed syllables.
This statement is false. Iambic pentameter does follow a regular pattern of stressed and unstressed syllables, where each iamb has an unstressed syllable followed by a stressed syllable.

5. Shakespeare uses iambic pentameter in his sonnets.
This statement is true. Shakespeare frequently used iambic pentameter in his sonnets. It is a common meter in Shakespearean poetry.

Based on this analysis, the true statements about iambic pentameter are:

- An iamb consists of an unstressed syllable followed by a stressed syllable.
- A line of iambic pentameter contains five iambs, or ten syllables.
- Shakespeare uses iambic pentameter in his sonnets.