Файлы паскаль

[p4serhiy]

Дан текстовый файл, нужно вывести тест на экран и выделить вводимое слово, посчитать какое оно по счету в каждой строке.
Строки разделаются . ! ?

Пример:

Вот смотрите есть текст:
If the problem statement is formulated goal for solving the problem and describes in detail its contents. Discusses the nature and essence of the values used in the problem, and identifies the conditions under which it is solved. In the mathematical description of the problem of relations between the values expressed by means of mathematical formulas. It is formed by a mathematical model of the phenomenon.

Вводим: is

Должно вывести:

If the problem statement is formulated goal for solving the problem and describes in detail its contents. 5
Discusses the nature and essence of the values used in the problem, and identifies the conditions under which it is solved. 20
In the mathematical description of the problem of relations between the values expressed by means of mathematical formulas.
It is formed by a mathematical model of the phenomenon. 2

[p4serhiy]

Помогите пожалуйста наработки могу показать..