1) Search for "stop *ing" and "stop to" in the corpus. What do the corpus results suggest?
that "stop" is most commonly followed by a verb ending in -ing
that "stop" is most commonly followed by the to-infinitive
that "stop" is always followed by a verb ending in -ing

2) Search for "enjoy *ing" and "enjoy to" in the corpus. What do the corpus results suggest?
that "enjoy" is most commonly followed by a verb ending in -ing
that "enjoy" is most commonly followed by the to-infinitive
that "enjoy" is never followed by a verb ending in -ing

3) Search for "give* up *ing" and "give* up to" in the corpus. What do the corpus results show?
that no occurrences of "give up" followed by a verb in -ing can be found in the corpus
that no occurrences of "give up" followed by the to-infinitive can be found in the corpus
that "give up" followed by the to-infinitive is an example of incorrect usage

4) Search for "decide* *ing" and "decide* to" in the corpus. What do the corpus results show?
that "decide" can never be followed by a verb in -ing
that "decide" can never be followed by the to-infinitive
that "decide" is typically followed by the to-infinitive
that "decide" is typically followed by a verb in -ing

5) Which of the following statements is true according to the corpus results?
the verb "fancy" is typically followed either by a verb in -ing or the to-infinitive
the verb "begin" is NOT typically followed by a verb ending in -ing
the verb "remember" is typically followed either by a verb in -ing or the to-infinitive

6) Search for the verb "play" in the corpus; is it found to be followed by a verb ending in -ing?
yes
no
yes, but only when used in its base form

7) Search for "plan" in the corpus; is it typically followed by a verb ending in -ing or the to-infinitive? (Sort concordances by right word.)
a verb ending in -ing
the to-infinitive
neither
both

8) Search for "regret *ing" and "regret to" in the corpus; do the expressions differ significantly in meaning?
yes
no
yes, but only in formal contexts