What was this supposed to say
The conjugation of the verb "design" to "designed", without any auxiliary verb such as "have" or "do", shows the use of the 'simple past" tense (also known as preterite), whose principal function is to place a completed action or situation in a moment before "now".
What tense is the underlined verb in the sentence? The architect designed a daring structure.
D. Past
One way a quadcopter is used today is to capture important events from above if you need a certain angle. Another way is to surveil areas,
