|Lots to do with 'do'|
Pedroso from Brazil asks:
M. Pedroso from Brazil asks: Why is the auxiliary verb do used in affirmative sentences like this: ‘I do believe in some things?
are quite right in suggesting that do is used as an auxiliary
verb in questions and negative sentences, like these:
are also quite right in suggesting that do is not normally
used in affirmative sentences. However, it is used when we want
to place strong emphasis on what we are saying to show that we feel
strongly about it in a positive way. In all these cases, do
is pronounced with strong stress. Consider the following:
There are three other circumstances when do is used in affirmative sentences or clauses.
It is used for contrastive emphasis when we want to contrast one
set of circumstances or point in time with another. Study the following:
It is sometimes used with imperatives when we want to make a suggestion or invitation more polite or welcoming. Study the following:
is often used when we want to avoid repeating a verb which we have
already used in the first part of the sentence. Consider the following: