A strong gust of wind <u>could</u>(1) <u>topple</u>(2) our little tent.
The helping verb is could
The main verb is topple
You can identify helping verbs in a<em> </em><em>verb phrase</em>. Verb phrases consists of the main verb alone, or the main verb + helping verbs. The main verb always comes last in the verb phrase.
Other examples of verb phrases with helping verb (HV) and main verb (MV):
The prices of houses <u>could</u> (HV) <u>fall.</u> (MV)
They <u>should</u> (HV) <u>wait</u> (MV) before leaving.
Answer:
Can you pass the salt?
Move out of my way!
Can you turn the volume up?
Go away!
Explanation:
An imperative sentence is just a command. As you should know a command can end in all sorts of different punctuation based on how the command is phrased. If someone is agitated, the command "Can you turn the volume up?" may turn into "Turn the volume up!"