In text 9A3AAA, the word its (l.1) is a 
In text 9A3AAA, a modal verb is 
In text 9A3BBB, has had (l.3) is used to emphasize an event that happened 
In text 9A3BBB, the word thought, both in line 4 and line 6, is 
An example of passive voice taken from text 9A3BBB is 
Modifying the verb tense of the clause the frogs were going to arrive a month ahead of schedule to future, the correct form of were going to arrive becomes 
In text 9A3CCC, a pronoun that introduces a relative clause is 
In text 9A4BBB, pretend (í.14) is synonymous with 
Judge the following items, concerning the ideas and linguistic aspects of text 19A1AAA.
The prepositional phrase at a language school in Verviers, Belgium (l. 2 and 3) functions as an adverb.
Judge the following items, concerning the ideas and linguistic aspects of text 19A1AAA.
As in the phrase a language school in Verviers, Belgium run on Berlitz lines (l. 2 and 3), the relative pronoun and the auxiliary verb which forms the passive voice have been omitted, the excerpt run on Berlitz lines could be correctly replaced with which was run on Berlitz lines.