It must agree in number with its subject.
This means that an -s must be added to the verb if the subject is singular and not if it is plural.
Clap is present tense. Clap if you agree.
Must is the present tense. I must You must He,She and It must We must You must They must
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.
We went fishing, then we went to the store. "Go" is the present verb form, "Went" is the past tense form. To agree, you must use either the present form or the past form for both sections.
"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).
Present tense.
Washes is the present tense.
To change the past tense and past participle of a verb, you must either change the verb back to its present tense or get rid of its suffix.
* I am * you/we/they are * he/she/it is