Flying, or Flies.
No, "flies" is not a past tense verb; it is the plural form of the noun "fly" or the third person singular form of the verb "fly" in present tense. The past tense of "fly" is "flew."
I fly, he/she flies
The present tense of the verb 'was' is is.
Can is the present tense.
The present tense for the verb "have" is "have" for the pronouns I, you, we, and they, and "has" for the pronouns he, she, and it.
"Is" is the present tense form of the verb "to be" and "has" is the present tense form of the verb "to have."
Studied is not a present tense verb. It is the past tense of study (present tense).
have/has flown = Present Perfect had flown = Past Perfect
Present tense.
Washes is the present tense.
* I am * you/we/they are * he/she/it is
The present tense is 'is'