| This can happen only if two conditions exist. | | |
| I can never remember names. | | |
| It could be integral to their investigation. | | |
| If I had been there I could not have seen it this plain. | | |
| I have known him since I was able to talk. | | |
| It was able to agree on the strategies and development priorities. | | |
| We were able to show a 161 million operating profit for the year. | | |