Risks is the third person singular form of the verb risk. It is used when he/she/it are the subjects or with a singular noun subject. Risks is used in present simple sentences. eg
She risks her life driving to work everyday. The policeman risks his life at work.
I/You/We/They risk. He/She/It risks. The present participle is risking.
"Is" is the present tense form of the verb "to be" and "has" is the present tense form of the verb "to have."
"Has" is the present tense form of the verb "have." The past tense form of "has" is "had."
The verb is is the present tense.
Studied is not a present tense verb. It is the past tense of study (present tense).
Replace the present tense form of the verb by the verb phrase "will [or shall] + [infinitive form of the verb]".
The Uds. form of the verb "pensar" in the present tense is "piensan."
Present tense. The future in English is not expressed by a form of the verb.
"Have" is a verb in the base form, also known as the infinitive form.
Be is present tense, Being is present progressing tense, and been is past tense
The ellos form of the verb "deber" in the present tense is "deben."
The word "has" is a verb. It is the present tense of have.