Use of the words..AM and Drag also Commas help

[raelynn]

Hi, thanks for helping me, please tell me if the following are correct.

1. I, together with my sister and three brothers,___going to the football game.
am--is--are
I know --is--is for singular use, so is the word ARE correct?

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2. When James rode on the back of my bicycle, he ____his feet.

drug---dragged---drags
I believe this is talking in the present tense---so is drags the correct word?

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In this sentence, "I like swimming," the word swimming is a present participle? or a gerund? I say present participle, is this correct?
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All doctors who are not on duty will attend the banquet.
is this sentence correct? OR should there be commas after DOCTOR and DUTY?
All doctors,who are not on duty,will attend the banquet.
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[MikeNewYork]

Hi, thanks for helping me, please tell me if the following are correct.

1. I, together with my sister and three brothers,___going to the football game.
am--is--are
I know --is--is for singular use, so is the word ARE correct?

You want "am" there. The phrase "together with my brothers and sisters" is set off by commas because nit is accessory information. The verb choice depends on the subject "I".

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2. When James rode on the back of my bicycle, he ____his feet.

drug---dragged---drags
I believe this is talking in the present tense---so is drags the correct word?

No. The verb "rode" puts the action in the past tense. Use "dragged".

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In this sentence, "I like swimming," the word swimming is a present participle? or a gerund? I say present participle, is this correct?

It is a gerund. Gerunds are nouns; participles are modifiers. That is the big difference. In this case, the writer is telling us "what" he likes. The "what" is the noun "swimming".
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All doctors who are not on duty will attend the banquet.
is this sentence correct? OR should there be commas after DOCTOR and DUTY?
All doctors,who are not on duty,will attend the banquet.

The commas would change the meeting of the sentence. Without the commas, the relative clause is restrictive. It says that all doctors who are free must go to the banquet. Only those on duty are exempt.

With the commas, the relative clause becomes nonrestrictive (extra information). The meaning would be that all of the doctors are off duty and that they all must attend the banquet.