A biography is the account of a person’s life written by another person. An example is ‘Life of Johnson’ written by Boswell. An autobiography is the story of a person’s life written by that person. An example is ‘My Experiments With Truth’ written by M.K. Gandhi.

The adverb too is used to show undesirable extremes. It has a negative meaning.

She is too fat.
He is too tired.

An infinitive structure is often used after too + adjective/adverb/determiner.

Negation

The label negation refers to the use of a negative element like not or a negative auxiliary like can’t.

Negative auxiliary
These are forms like don’t, can’t, doesn’t and won’t.

There is no real difference between somebody and someone. Similarly, there is no difference between anybody and anyone, everybody and everyone or nobody and no one.

Surely does not mean the same as certainly.
Surely is used to say that the speaker believes something in spite of reasons to believe the opposite.
Compare:

Fill in the blanks with suitable verb, noun or adjective. Each question is followed by three suggested answers. Choose the most appropriate one.

1. Bread is made of wheat ————–

Since as a preposition

In sentences with since, we normally use present perfect and past perfect tenses in the main clauses.