Переведите предложения, обращая внимание на функцию и перевод ing- форм

1. Individuals have distinctive ways of speaking and writing, and there exists a long history of linguistic and stylistic investigation into authorship attribution.

2. Practical applications for authorship attribution have grown in areas such as intelligence (linking intercepted messages to each other and to known terrorists), criminal law (identifying writers of ransom notes and harassing letters) etc.

3. This activity is part of a broader growth within computer science of identification technologies, including biometrics (retinal scanning, speaker recognition, etc.), cryptographic signatures, intrusion detection systems, and others.

4. The object of study is the language of a single individual (idiolect), resulting in a description of his or her identifying linguistic characteristics.

5. He was accused of forging the document.

6. From its beginning as a means of questioning witness and defendant statements, linguists have been called on to give evidence in many different types of case, including authorship attribution in terrorist cases, product contamination cases and suspicious deaths.

7. It is tempting to add one more point to the above: the need to develop a theory of authorship as a socio‑cognitive process, the relationship between individual and community or social authorship.