1. It is a fact that … 事实是… It is a fact that the earth goes around the sun. 2. It is said that … 据说… It is said that the film is on tomorrow. 3. It is generally considered that … 人们普遍认为… It is generally considered that Beijing will be a cosmopolis. 4. It is necessary that … 有必要… It is necessary that one should wash hands before meal. 5. It is likely that … 很可能… It is likely that he will succeed. 6. It is questionable that … 成问题的是… It is questionable that the earth is becoming hotter. 7. It follows that … 由此可见… It follows that you'd better bring the umbrella with you. 8. It may be that … 可能… It may be that it will rain tomorrow