at this time是什么時態的標志

　　I get a cold every year at this time.

　　我每年這時候都會感冒。

　　Do you wish to place an order at this time?

　　您希望這就訂購嗎？

　　At this time of year, seasonal diseases are rampant.

　　這陣子正鬧時令。

　　What strange weather& snowing at this time of the year!

　　這天氣真邪門兒，這時候還下雪。

　　At this time there is nothing to take action on since the analysis has yet to be completed.

　　目前還沒有什么需要采取的行動，因為分析還沒有完成。