Ringing
Present continuous is formed with -- am/is/are + present participle.The present participle of ring is ringing.am ringing / is ringing / are ringing
This form of the verb can be used in more tenses: present participle, present continuous, past continuous, past perfect continuous, future perfect continuous, future continuous, present perfect continuous.
The phrase "They are being used" is in the present continuous tense. This form indicates that the action is currently happening.
Sending
Every verb has a past, present, and future tense. Each past, present, and future tense also has a perfect form, progressive (continuous) form, and a perfect continuous form.
The present continuous tense uses the present participle (the "-ing" form of the verb) along with a form of "to be" (am, is, are). This tense is used to describe actions that are happening right now or in the current moment.
Past continuous is formed with -- was/were + present participleThe present participle is always verb + ing eg ringing. So the past continuous is was ringing or were ringing. egThe bell was ringing late last night.The bells were ringing late last night
If you mean Present Continuous Tense here is what it is-We use the Present Continuous Tense to talk about activities happening now..ExamplesThe kids are watching TV. I am sitting down, because I am tired
The -ing form is a present participle verb form used to indicate ongoing actions or states. It is used with auxiliary verbs to form continuous tenses in English, such as present continuous (e.g. "I am reading") or past continuous (e.g. "She was studying").
Sure! Simply change the simple present form of the verb to "was/were" + present participle. For example, "I eat" (simple present) changes to "I was eating" (past continuous).
Present continuous I am using my computer. I am feeling happy.
The present continuous form of "run" is spelled "running".