Explanation: <u>Mood</u> <u>of</u> <u>a</u> <u>sentence</u> is used to express the intention of the auhtor (speaker or writer). The mood can be of 4 types:
<u>Indicative</u>, when express facts;
<u>Interrogative</u>, when refers to a question;
<u>Conditional</u>, is used when situations are uncertain or depends on something else;
<u>Imperative</u>, when it's being ask or order someone to do something;
The sentence "Will you pick up the dog's toys in the yeard, please?" is an <u>Interrogative</u>, because it is asking a question and, grammatically, the formation of the phrase is: auxiliary verb + another verb.
<span>Papyrus was used by ancient Egyptians, Greeks, and Romans in the way we use paper today. It was created with thin strips of the pith of the papyri plant.</span>