spectroscopy
The present continuous tense of study is "am/is/are studying." For example, "I am studying," "He is studying," "They are studying."
It's not.:(
The future continuous tense of study is will be studying.
The past continuous tense of study is:I/He/She/It was studying.You/We/They were studying.
The present continuous tense is used to describe actions that are currently happening at the moment of speaking. It is formed by combining the verb "to be" in the present tense with the present participle form of the main verb (ending in -ing). For example, "I am eating" describes an action that is happening right now.
Will have been studying.
HOW DO WE DISTINGUISH SUBSTANCES? HOW DO WE DISTINGUISH SUBSTANCES?
Scientists who study radiation are called radiologists or radiobiologists. They specialize in the diagnosis and treatment of diseases using radiation, as well as studying the effects of radiation on living organisms.
Electromagnetic radiation (EMR) is important when studying photosynthesis because without sunlight emitting EMR photosynthesis cannot occur.
Present simple - I study mathematics. Present continuous - I am studying mathematics at university. Present perfect - I have studied mathematics for 3 years. Present perfect continuous - I have been studying mathematics since 2006. Present continuous (for future) - I am studying mathematics next year
The 12 tenses of verbs include: simple present, simple past, simple future, present continuous, past continuous, future continuous, present perfect, past perfect, future perfect, present perfect continuous, past perfect continuous, and future perfect continuous. Each tense indicates the time at which an action is taking place or the relationship between different actions.
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").