<p>hmm i'm not all that good at grammar...but i'd like to give it a shot.</p>
<p>X 1. If the club limited its membership, it will have to raise its dues.</p>
<p>it should either be if the club limits its membership
or
if the club limited its membership, it would have to raise its dues.</p>
<p>X 2. While Barbara puts in her contact lenses, the telephone rang.</p>
<p>the tense is messed up here. </p>
<p>while barbara puts in her contact lenses, the telephone rings. or
while barbara put in her contact lenses, the telephone rang.</p>
<p>X 3. Thousands of people will see the art exhibit by the time it closes.</p>
<p>hmm i think in this one the tense is weird too.</p>
<p>thousands of people will have seen the art exhibit by the time it closes.</p>
<p>X 4. By the time negotiations began, many pessimists have expressed doubt about them.</p>
<p>umm tense again?
by the time negotiations began, many pessimists had expressed doubt about them.</p>
<p>X 5. After Capt. James Cook visited Alaska on his third voyage, he is killed by Hawaiian islanders in 1779.</p>
<p>tense again.
After capt. james cook visited alaska on his third voyage, he was killed by Hawaiian islanders in 1779.</p>
<p>X 6. I was terribly disappointed with my grade because I studied very hard.</p>
<p>umm hmm i think tense?
I was terribly dissapointed with my grade because i had studied very hard.</p>
<p>X 7. The moderator asks for questions as soon as the speaker has finished.</p>
<p>The moderator asks for questions as soon as the speaker finishes. or maybe...
The moderator will ask for questions as soon as the speaker has finished.</p>
<p>X 8. Everyone hopes the plan would work.</p>
<p>Everyone hopes the plan will work.
Everyone hoped the plan would work.</p>
<p>___ 9. Harry wants to show his friends the photos he took last summer.</p>
<p>not sure if there's an error in this one...</p>
<p>___ 10. Scientists predict that the sun will die in the distant future.</p>
<p>don't think there's an error in this one either.</p>
<p>X 11. The boy insisted that he has paid for the candy bars.</p>
<p>The boy insisted that he had paid for the candy bars.
The boy insists that he has paid for the candy bars.</p>
<p>X 12. The doctor suggested bed rest for the patient, who suffers from a bad cold.</p>
<p>i think the tense doesn't work here but i'm not sure.</p>
<p>The doctor suggested bed rest for the patient, who suffered from a bad cold.
The doctor has suggested bed rest for the patient, who suffers from a bad cold.
The doctor suggests bed for the patient, who suffers from a bad cold.</p>
<p>well probably didn't get them right..but thanks for the practice anyway.</p>