used before a singular noun to mean one of a group, when it is not a particular one
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
aboutprepositionUS /əˈbaʊt/
on the subject of; concerning
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
past form of “add” — make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
From this reading "I wonder who left it?" added Dick.
used to join words or parts of a sentence that go together
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
move up and down repeatedly
From this reading "A cryptogram!" exclaimed Bob.
plural of “boy” — a youthful male person
From this reading ON THE TRAIL The three boys examined the paper with interest.
charcoalnounUS /ˈtʃɑːrkoʊl/
a carbonaceous material obtained by heating wood or other organic matter in the absence of air
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
cryptogramnoun
a piece of writing in code or cipher
From this reading "A cryptogram!" exclaimed Bob.
someone who is a detective
From this reading "I wonder who left it?" added Dick.
unmistakably (“plain” is often used informally for “plainly”)
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
past form of “examine” — consider in detail and subject to an analysis in order to discover essential features or meaning
From this reading ON THE TRAIL The three boys examined the paper with interest.
past form of “exclaim” — utter aloud; often with surprise, horror, or joy
From this reading "A cryptogram!" exclaimed Bob.
the part of the leg of a human being below the ankle joint
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
hadauxiliary verbUS /hæd/
the past form of “have”, used to form the past perfect
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
the person speaking or writing, as the subject of the verb
From this reading "I wonder who left it?" added Dick.
a sense of concern with and curiosity about someone or something
From this reading ON THE TRAIL The three boys examined the paper with interest.
the form of “be” used with he, she, it, or a singular noun
From this reading This is the way it looked:
a thing, animal, or idea already mentioned
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
location near or direction toward the left side; i.e. the side to the north when a person or object faces east
From this reading "I wonder who left it?" added Dick.
plural of “line” — a formation of people or things one beside another
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
past form of “look” — perceive with attention; direct one's gaze towards
From this reading This is the way it looked:
produced by a manufacturing process
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
touching and supported by a surface
From this reading ON THE TRAIL The three boys examined the paper with interest.
a material made of cellulose pulp derived mainly from wood or rags or certain grasses
From this reading ON THE TRAIL The three boys examined the paper with interest.
make square
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading ON THE TRAIL The three boys examined the paper with interest.
used for a person or thing that is near, or that has just been mentioned
From this reading This is the way it looked:
the cardinal number that is the sum of one and one and one
From this reading ON THE TRAIL The three boys examined the paper with interest.
a track or mark left by something that has passed
From this reading ON THE TRAIL The three boys examined the paper with interest.
wasauxiliary verbUS /wɑːz/
the past form of “be” used with I, he, she, it, or a singular noun
From this reading It was about a foot square, and the lines had evidently been made with charcoal.
how something is done or how it happens
From this reading This is the way it looked:
which person or people
From this reading "I wonder who left it?" added Dick.
in the company of; together with
From this reading ON THE TRAIL The three boys examined the paper with interest.
the feeling aroused by something strange and surprising
From this reading "I wonder who left it?" added Dick.