Scammers usually are not good english-speakers. You can easily reveal them by "google" patterns and imperfect wording, for example "My English is well enough".
The reason is very simple - those people "think" with their native language and translate into English very literally
Let's post here other mistakes and hunt them down.
I would not argue that…
I would not argue that grammatical errors are the criterion for whether a person is a fraudster or not. People from different countries register on dating sites. Many honest people might make similar mistakes simply because English isn't their first language. It's better to look at the overall behavior and context to identify scammers.
Also they use plurals, like
Also they use plurals, like informations, these news, etc, which is wrong
In my opinion, they use a lot
In my opinion, they use a lot "the"