現在完了進行形の文③

彼女は3時間ずっと勉強し続けています。

• She has studied for three hours.
• She have been studying for three hours.
• She has been studying for three hours.
• She is studying for three hours.

正解文：

She has been studying for three hours.

日本語訳：

彼女は3時間ずっと勉強し続けています。

解説：

主語 She なので has been studying を使います。

私たちは朝からずっとその問題を議論しています。

• We have been discussing the problem since morning.
• We are discussing the problem since morning.
• We have discussed the problem since morning.
• We has been discussing the problem since morning.

正解文：

We have been discussing the problem since morning.

日本語訳：

私たちは朝からずっとその問題を議論しています。

解説：

主語 We なので have been discussing を使います。

あなたはどのくらいの間、ここに座っているのですか。

• How long are you sitting here?
• How long have you been sitting here?
• How long has you been sitting here?
• Since when you are sitting here?

正解文：

How long have you been sitting here?

日本語訳：

あなたはどのくらいの間、ここに座っているのですか。

解説：

期間を尋ねる疑問文：How long have you been V-ing? を使います。

彼はちょうど今、何をしていますか。（長い間）

• What has he done for a long time?
• What has he been doing for a long time?
• What is he doing for a long time?
• What have he been doing for a long time?

正解文：

What has he been doing for a long time?

日本語訳：

彼はちょうど今、何をしていますか。（長い間）

解説：

疑問詞の疑問文：What has he been doing…? を使います。

私の弟は30分ずっとゲームをしています。

• My brother has played games for thirty minutes.
• My brother has been playing games for thirty minutes.
• My brother have been playing games for thirty minutes.
• My brother is playing games for thirty minutes.

正解文：

My brother has been playing games for thirty minutes.

日本語訳：

私の弟は30分ずっとゲームをしています。

解説：

主語が単数なので has been playing を使います。

私たちは先週からずっと彼を待っています。

• We have waited for him since last week.
• We are waiting for him since last week.
• We have been waiting for him since last week.
• We has been waiting for him since last week.

正解文：

We have been waiting for him since last week.

日本語訳：

私たちは先週からずっと彼を待っています。

解説：

継続の強調：主語 We なので have been waiting を使います。

彼は1時間ずっと窓を掃除していますか。

• Has he been cleaning the window for an hour?
• Have he been cleaning the window for an hour?
• Is he cleaning the window for an hour?
• Has he cleaned the window for an hour?

正解文：

Has he been cleaning the window for an hour?

日本語訳：

彼は1時間ずっと窓を掃除していますか。

解説：

疑問文：主語が単数なので Has he been cleaning…? を使います。

どのくらいの間、その機械は動いていますか。

• How long the machine has been working?
• How long is the machine working?
• How long has the machine been working?
• How long have the machine been working?

正解文：

How long has the machine been working?

日本語訳：

どのくらいの間、その機械は動いていますか。

解説：

期間を尋ねる疑問文：How long has the machine been V-ing? を使います。

私は午前8時からずっと英語を教えています。

• I have taught English since 8 a.m.
• I has been teaching English since 8 a.m.
• I have been teaching English since 8 a.m.
• I am teaching English since 8 a.m.

正解文：

I have been teaching English since 8 a.m.

日本語訳：

私は午前8時からずっと英語を教えています。

解説：

継続の強調：主語 I なので have been teaching を使います。

彼らは長い間ずっと私たちを助けています。

• They have helped us for a long time.
• They are helping us for a long time.
• They has been helping us for a long time.
• They have been helping us for a long time.

正解文：

They have been helping us for a long time.

日本語訳：

彼らは長い間ずっと私たちを助けています。

解説：

主語 They なので have been helping を使います。