Preposition + Gerund: Help Me Share My Videos (Review)

(1) William: Listen

"I don't know how I can do that" has an embedded question, "how I can do that". The sentence combines two sentences: "I don't know" and "How can I do that?"

(2) Susan: Listen

"Before shooting the video" is a preposition ("Before") + gerund ("shooting") pattern. It's also called a "gerund phrase".

(4) Susan: Listen

"After checking your battery" is another preposition + gerund pattern (gerund phrase). It has the form preposition + gerund (verb in -ing form) + object.

(6) Susan: Listen

"while aiming the camera at your dog" is a preposition + gerund pattern. "while" is the preposition and "aiming" is the gerund (verb in -ing form). "Press the record button while aiming the camera" means you should continue to aim the camera when you press the button.

(9) William: Listen

The modal verb "must" is used to make a deduction (a strong guess). William is saying, "I'm sure this is the app."

(10) Susan: Listen

"Upon opening your photos app" means when you open the app. You open the app, then tap the video.

(14) Susan: Listen

Some videos have a big size (like 100MB). You cannot send a big video with a text message. You have to upload it to the cloud (like "Google Drive" or "Dropbox") and share it.

(15) William: Listen

"In any case" means "it doesn't matter". William is saying, "I don't understand cloud, but it doesn't matter."