Is "have caused" a phrase?

Thank you for using the Jiskha Homework Help Forum. What you have is a "partial" which is actually the Present Perfect tense, being made up of have/has as the auxililiary/helping verb and the past participle of the verb "to cause."

Here is a good definition of a phrase with examples for you:

http://en.wikipedia.org/wiki/Phrase

Please rephrase your question -- I don't understand it, sorry -- and then re-post it in a New Question form.

Thanks.

=)

who do u work out punctuation

is there a way that i can memorize 40 words in one day

To work out punctuation, it is important to understand the different punctuation marks and their usage. Here are some steps to help you improve your punctuation skills:

1. Study punctuation rules: Take the time to learn the different punctuation marks such as commas, periods, question marks, exclamation marks, colons, semicolons, and quotation marks. Understand when and how they should be used.

2. Read extensively: Reading books, articles, and other written materials can help you internalize punctuation rules. Pay attention to how punctuation is used in different contexts and try to identify patterns.

3. Practice writing: Regularly write sentences and paragraphs while focusing on using correct punctuation. You can start with simple exercises and gradually move on to more complex ones.

4. Use grammar and punctuation resources: There are various grammar and punctuation guides available online and in books. Utilize these resources to clarify any doubts or learn more about specific punctuation rules.

5. Proofread your work: Once you have written something, take the time to proofread it carefully. Look specifically for punctuation errors and correct them. If possible, get feedback from others, such as teachers or peers, to help identify and correct any mistakes you may have missed.

As for memorizing words, here are some techniques that can help you memorize a large number of words in a day:

1. Break it down: Divide the words into smaller groups and focus on memorizing one group at a time. Start with shorter groups and gradually increase the number of words in each group.

2. Use mnemonic devices: Mnemonic devices are memory aids that help associate new information with something you already know. Create mnemonics, such as acronyms or visual images, to link the word with its meaning or definition.

3. Repeat and review: Practice repeating the words aloud or writing them down multiple times. Review the words regularly to reinforce your memory.

4. Contextualize the words: Try to understand the meaning of the words in a particular context. This can make it easier to remember them as you associate the words with specific situations or scenarios.

5. Use flashcards or online tools: Write the words on flashcards or use online vocabulary tools that provide activities or quizzes to help you memorize and review the words.

Remember that different techniques work for different people, so find a method that suits your learning style and adapt it to maximize your memorization abilities.