Solution:
The letter 'I' continues to be capitalized because it is the only single-letter pronoun. 'I' is singular and 'is' will be followed. Hence the sentence is 'I is always capital'.

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Solution:
"Has been" and "have been" are both in the present perfect tense. "Has been" is used in the third-person singular and "have been" is used for first- and second- person singular and all plural uses.

Solution:
In this sentence, we need the passive voice because the action is being done to the subject (English).The passive form of the present tense uses is/are + past participle.speaks, is speak, and is speaking are all incorrect because they do not follow the correct passive voice construction.Therefore, the correct answer is is spoken.

Solution:
'measured out' means to measure and remove (something) from a larger amount.

Solution:
'today' means present. 'is' is used with singular subject and therefore is the right answer.

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