No unless the sentence before takes up the whole line.
Yes, you can start a sentence with "By" By, the time I waited in line two hours for my ticket, the show was over.
Yes, a subject line or sentence must be 'to the point' to ensure the effectiveness or the intended result of your letter. To do that, the letter must start with a clear statement of the purpose of the letter.
I think u should leave a line for the title so u should start writing in the third line at least.
After a capitalized letter, in the beginning of a sentence of after a name. John, Jane, etc
At least every hour.
Sentence diagramming the sentence, My friend likes this puzzle, will take a few lines drawn within the sentence. A vertical line should be drawn between friend and likes because likes is the verb. Another vertical line should be drawn between this and puzzle because puzzle is the noun. There should be a slanted line just below friend with the word my on it.
What do you mean by a line? If you mean a sentence, then yes, just like this. If you mean a natural line break that results from a sentence reaching the end of the paper, then yes, just like that. If you mean an artificial line break like this that does not come from the sentence reaching the end of the paper, no, you can't do that.
The conjunction AND is used first in a sentence where the sentence preceding it was truncated, or stopped, and there are details to add on the identical topic. It is usually done where putting everything in one long sentence is not possible or desirable. The second sentence should, of necessity, continue the same line of thought and not branch off further, as this can make the AND superfluous.
I haven't talked to her in a while, I should drop her a line to see how she's doing.
My pension is index linked and should rise in line with inflation.
create a sentence for contour line
It should be a strong statement written in the first line of introduction, in a single sentence, stating what the topic is about.