"It"-centered patterns
1) it is necessary for take some measures to control this tread.
2) It goes without saying that...
3) It is obvious that.../It is clear that.../It is true that...
4) it must be admitted that... /It can"t be denied that...
5) it"s high time that ... (sb)made concerted efforts toput an end to this situation.
6) Odd as it sounds,it can be seen and heard everywhere on our country.
7) It is imperative for us to take drastic measures.
8) it is generally believed that...
9) it tell us a simple truth:.../it indicates that...
10)it must be pionted out that...
11)it has long been known that
12)it is quite common to hear assertions of the kind"..."
13)it is not difficuit to explain that.../it is no exaggeration to say that...
"As"-centered patterns
1) as we can see from the pictures,.../as depicted in the pictures,...
2) as a matter of fact,...
3) as is well-known to the public,...
4) as is often the case,...
5) so far as we know,..
6) as it is/as the things stand /as the situation goes
"There" -centered patterns
1) there is no denying that...
2) there is no question in my mind that...
3) there is no doubt that...
4) there is noneed to get around the point that...
5) there is certainly some truth on both sides.
"To" -centered patterns
1) to my mind,.../to the best of my knowledge...
2) to be sure.../to my surprise,...
3) to tell the truth.../to be honest,...
4) to put it in another way,.../Simply put,.../to be more exact,...
5) to cut a long story short,.../to conclude,...
