你有时间的时候请给我发电子邮件。
Please ___email me when you've got time.
他把那个地址列表用电子邮件发给你了吗?
Has he ___emailed you that list of addresses yet?
我发电子邮件是想问问能否借用你的自行车。
I am ___emailing you to ask if I could borrow your bike.