11.3 Grammar Rule Extraction Drills
Key Takeaways
- Grammar drills should force the learner to infer rules from examples rather than translate by instinct.
- Word order, negation, modifiers, and agreement-like markers are high-yield practice targets.
- Original artificial-language examples should be treated as reasoning puzzles, not vocabulary lists.
- Good review asks which element changed and what that change meant.
Compare, Infer, Apply
Grammar-rule extraction is a central study skill because aptitude testing is not about already knowing a real language. In practice, you may be given unfamiliar examples and asked to infer how the system works. This chapter does not claim an official DLAB grammar. It uses original practice-style mini-systems to strengthen the habit of finding rules quickly.
Begin with word order. Suppose the invented language uses the order object-action-person. The practice-style sentence "mep talu rin" means "Rin sees the stone." The word mep is stone, talu is sees, and rin is the person. If the new sentence is "dol talu rin," you should not force English order onto it. You should infer that Rin sees the tree if dol means tree.
Now add modifiers. Suppose color words come after nouns. "mep zun" means red stone, and "dol zun" means red tree. If "mep kal" appears, the noun is still stone and the new modifier is likely another property. The stable element is the noun position. The changing element gives the new property.
Negation is another useful drill. Suppose "no" comes after the action. "mep talu no rin" means "Rin does not see the stone." A careless reader might attach no to the nearest noun. A stronger reader asks what changed between the positive and negative examples. The added element follows the action, so it likely changes the action.
Agreement-like markers can be trained without claiming they appear on the test. Create a rule such as: if the object is plural, add -en to the action. "mep talu rin" means Rin sees the stone. "mepu talu-en rin" means Rin sees the stones. The plural cue is split between the noun and action. This trains you to track more than one place in the sentence.
Use a four-step routine. First, label each known word or ending. Second, compare the smallest pair that differs. Third, write the rule in plain English. Fourth, apply the rule to a new sentence before checking the answer. If you skip the third step, you may get one item right by feel while missing the next item that uses the same rule in a new position.
Timed grammar practice should be short but strict. Give yourself eight minutes for twelve items. If you cannot identify the rule in twenty seconds, eliminate answers that violate known examples and move on. After the set, review slowly. The timed phase builds decision discipline. The review phase builds the actual language-learning habit.
Practice-Style Rule Card
| Rule type | What to compare | Common trap |
|---|---|---|
| Word order | Position of noun, action, person | Defaulting to English |
| Modifier | Which word follows the noun | Treating property as object |
| Negation | Added negative marker | Attaching it to the wrong word |
| Agreement | Repeated number or role cues | Not checking the whole sentence |
Practice-style rule: the invented language uses object-action-person order. If "mep talu rin" means "Rin sees the stone" and "dol" means tree, what does "dol talu rin" mean?
Practice-style rule: color modifiers come after nouns. If "mep zun" means red stone and "dol zun" means red tree, what is the best inference about "zun"?
What is the main reason to write a grammar rule in plain English during review?