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Sentence generator

In this lab, you will create a simple sentence generator using lists.

Part 1: Let's talk

  1. Create a variable for each part of speech below, and set each variable to hold a list of words that fit that part of speech. Some examples are given, but feel free to use your own.
Part of Speech Example words
noun giraffe, monkey, boy, girl, elephant, ...
verb jumps, runs, sleeps, sits, dances, ...
adjective big, small, loud, silly, young, old, sleepy, ...
adverb quickly, excitedly, angrily, happily, sadly, ...
article a, the
preposition under, over, around, near, beside, ...

Part 2: Reporting phrases

  1. Write a custom reporter block called “noun phrase” that reports a noun phrase where each word is chosen randomly from the lists you created.

    A noun phrase consists of an article, an adjective, and a noun in that order.

    Using our sample lists of words from part 1, here are a few examples of possible outputs from the "noun phrase" block:

    • a silly elephant
    • the sleepy boy
    • the sleepy giraffe

  2. Write custom reporter blocks like “noun phrase” for each of the phrase types listed below.

Phrase type Construction Example
noun phrase (completed in step 1) article, adjective, noun a big giraffe
prepositional phrase preposition, noun phrase over the small monkey
verb phrase adverb, verb, prepositional phrase quickly jumps over the small monkey
sentence noun phrase, verb phrase a big giraffe quickly jumps over the small monkey

Using our sample lists of words from part 1, here are some possible outputs from each block:

  • noun phrase: a small monkey
  • prepositional phrase: around a sleepy elephant
  • verb phrase: sadly dances beside the young boy
  • sentence: the old giraffe quickly jumps over a silly elephant

Part 3: Making sentences

  1. Modify your script so that when you press the space bar, a random sentence is generated and a sprite says the resulting sentence.

Bonus: Modify your script so that a noun phrase can either be the construction from part 1 or a single proper noun (e.g. a person's name). Your script should randomly decide which version of a noun phrase to use.

A noun phrase consists of an article, an adjective, and a noun in that order.

Part 4: Changing our vocabulary

  1. Write a script so that when the n key is pressed, the user is prompted for a new noun and that noun is added to list of nouns. After that point, the new noun entered by the user should be able to appear in sentences.

  2. Write scripts to add words to the other lists. Use the keys listed below.

    Key Part of speech
    n noun
    v verb
    j adjective
    d adverb
    a article
    p preposition

  3. Write a script so that when the x key is pressed, the user is asked for one of the parts of speech and then for a number (n).

    • Your script should remove the nth item from the list of words for the specified part of speech.
    • For example, if the user types in "verb" and "3" then you should remove the 3rd word from the list of verbs.
    • The removed word should no longer appear in sentences.

  4. Save your project as Lab4.2.

Grading rubric

Criteria Points
1.1 6 lists 0.5
2.2 reporter blocks .75
3.1 sentence script 0.5
Bonus: add proper nouns 0.25
Bonus: Make prepositional phrase for verb phrases 0.25
4.1 add nouns 0.25
4.2 add other 5 parts of speech 0.25
4.3 remove one word from a part of speech 0.5
Total 3.25