How to use in-sentence of “by this time”:
+ Even without a mass extinction, by this time most current species will have disappeared through the background extinction rate, with many clades gradually evolving into new forms.
+ In 1828 a new batch of pear trees arrived from England, and it was realised that the Bartlett pear was the same as the Williams pear, but by this time the name had stuck, and is still the commonest name for this type of pear in Canada and the United States.
+ They are adults by this time and weigh 330 to 660pounds.
+ After Gott was killed flying back to Cairo Churchill was persuaded by Brooke, who by this time was Chief of the Imperial General Staff to appoint Montgomery, who had only just been nominated to replace Alexander as commander of the British ground forces for Operation Torch.
+ The Twenty-fourth Amendment forbade the requirement for poll taxes in federal elections; by this time five of the eleven southern states continued to require such taxes.
+ Mercia was by this time a very wealthy kingdom and Aethelbald himself was very rich.
+ However, by this time both Laserdisc and CED were already not selling well compared to the VHS and Betamax VCR systems.
