Do these sentences correct? Dear friends, I've made up 3 sentences but quite not sure that they are correct. Here they are. Say (speak) what you think. Do what you say. Think what you do.

Short questions To be black and blue. What does this mean?

What is specialabout this phraser? Yellow blue bus

Phrasal verbs Hello! Let's talk about phrasal verbs. I know that englishmen as well as all people for whom english is a native language use them widely. And I think that I need to know phrasal verbs in order to understand better spoken and written speech and also to enrich my english. The question is how many of them I have to learn? Another question is if there a system or method to rememeber them in a faster and easier way. Or they are to be learned by heart only? I also would appreciate if you could correct this text.

"On/onto" and "in/into" Hello. Could anyone please show me that invisible line which separates cases of using of "on" and "onto"? The same question for "in/into". concerning the latter pair I have noted that "into" uses whe there is a motion. I'd also be grateful for corrections of the text itself.

My first entry Hello everybody. Let me introduce myself, I am Dmitry (short Dima). I live in Moscow (Moscow is a capital of Russia and Russia is a country located somewhere between Finland and Japan). I am married have got three wonderful children, apart a dog. I hope to get acquaited here with people with whom i could practice a language exchange. I'm much appreciate in advance to anyone for corrections of possible mistakes in the above text.