Hello,<br/><br/>I have to change the following sentence into the present perfect continuous tense.<br/><br/>1. We had an enjoyable holiday.<br/><br/>1A. We have been having an enjoyable holiday.<br/><br/>2. I marvelled at what the cellphone revolution has wrought in our country.<br/><br/>2A. I have been marvelling at what the cellphone revolution has wrought in our country.<br/><br/>Are #1A and #2a correct?<br/><br/>Thanks.