it i - it s
- it includes an appendix on ...
- it incorporates the following aspects of ...
- it indicates ...
- it is a common belief that ...
- it is a common enough occurance ...
- it is a fairly close estimate of a number/ an amount ...
- it is a good idea to keep results secret until it is settled whether it is possible ...
- it is a matter of argument ...
- it is a matter of common knowledge, ...
- it is a matter of dispute ...
- it is a necessary, but not a sufficient condition of ...
- it is a question of vital importance ...
- it is a suggestive article ...
- it is actually below the average rate ...
- it is advisable here to divide ...
- it is advisable to divide these data into ...
- it is advisable to focus on a set of standard forms ...
- it is also important to consider how much ...
- it is an effective means of obtaining ...
- it is an example of ...
- it is an excellent model for illustrating how ...
- it is an invariable law ...
- it is anticipated that the reduction of ... will cause ...
- it is apparent that all operations with ... can be avoided
- it is appropriate to outline here the analysis of ...
- it is astounding ...
- it is author's opinion that by using such an approach ...
- it is basically because of ...
- it is becoming more frequent ...
- it is being tested now, but ...
- it is believed that the implementation of the recommendations would reduce ...
- it is beneath criticism ...
- it is certain that ...
- it is certainly impossible to exaggerate ...
- it is certainly true that ...
- it is clear from what was said about ... that ...
- it is clear that ...
- it is clearly stated that ...
- it is common knowledge that ...
- it is conceivable that there will be a change of attitude ...