Question: Here is one sentence: My students range from very bright to dull.
Here is another sentence: Estimates for the losses in the earthquake range as high as $2 billion.
Does the range mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: I shall be writing to you soon.
Here is another sentence: There was a lot of noise in the kitchen.
Does the be mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: We simply could not start the engine.
Here is another sentence: John started the party.
Does the start mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: The dog's woolly shag.
Here is another sentence: He bought a shag rug.
Does the shag mean the same thing in the two sentences?

Answer:
different meanings