just about every other word in the English dictionary can start a sentence.
for example:
the cow jumped over the moon.
Mail your letter to your pen pal so she can read it.
boogers taste bad.
i got a paper cut.
my finger hurts
While I was going home, my cat attacked me.
You need safe living conditions in other planets besides the Earth, so it may still take a good while.
One could start a sentence with the word "while" by following it with a subject and a verb to form a dependent clause, such as "While I was at work, my phone rang."
Yes, for example: After a while Jim became restless and began to fiddle with objects on the desk.
The correct way to start a sentence with a number is to spell it out... For example... 'Three people were injured' is correct while '3 people were injured' is not.
Other jewelry besides the traditional rings to be used while proposing an engagement can be pretty much anything! It all depends on what fits or suits the relationship better and will speak to the spouses' heart.
You can start a sentence with "All the while" by using it to introduce a contrasting or simultaneous action or situation. For example, "All the while she was studying for her exams, he was out partying with friends." This phrase is effective for showing the coexistence of two different events.
Example sentence - We laughed at the jokes we told each other while painting a landscape near the old cabin.
Often, that is considered to be a "stall", while the speaker quickly thinks up an answer.
Yes, starting a sentence with a present participle is grammatically correct. For example, "Running quickly, she made it to the finish line first."
Amphibians grow legs and feet. If you look at tadpoles at about the three week stage, they start to develop their legs and feet while in the water
While is a noun in that sentence.