Well it would be nice if i can read the passage
Where is the photo i need it to answer
The sentence should be "By nightfall, they <span>will have been driving</span> for ten hours" since this is perfect in the sense that it WILL have happened in the past by the time it happens.
<span>First recorded in </span><span>1325-75, </span><span>cumbrous </span><span>is from the </span><span>MiddleEnglish </span><span>word </span><span>cumberous.</span>