4. Complete the sentence using the missing prepositions where it is necessary.

1. Case defines the grammatical relationship __ certain words in а sentence.

2. Old English, the language __ roughly the mid 12th century, had а case-system as complex as Latin and Greek, with different forms of words depending __ how they related to other words in the sentence.

3. This is reasonable ___ in formal writing but does written English always have to be stiff-necked?

4. __ the future development of the English, case may well become increasingly irrelevant, although __ the foreseeable future careful writer will continue to observe at least some __ the rules.