Englishfor English speakers
I
Pronoun
—
The person who is speaking or writing
I am writing this, and you are reading it.
I
Noun
—
The ninth letter or the alphabet; previous H, next J. I is a vowel.
I
Symbol
—
A symbol meaning first, as in "George I" (which is said as "George the first").
—
The symbol for iodine on the periodic table of elements.
—
The symbol for electrical current.
I
Number
—
This is the roman numeral for one (1). It may be written as I or i.
i
Noun
—
The ninth letter or the alphabet; previous H, next J. I is a vowel.
didn't
verb
—
did not (negative auxiliary)
understand
Verb
—
To hear and then fully know what was said, know enough to do it. To know the meaning of something.
He understood what I said to him.
She didn't understand. She thought I meant the meeting was today.
that
Determiner
—
Used to show which thing we are talking about; used with things that are not close to the speaker.
Give me that book, not this one.
Give me that, not this.
That dog is hungry.
that
Subordinator
—
used to link a subordinate clause to a main one
You said that you liked me.
Give me the book that I dropped.