As you can imagine=想像できるように
As you already know=もうご存知の通り
I really like movies, as you can imagine=想像できますように、私は映画が大好きだ
As you must already know, I watch a lot of movies=既にご存知かとは想いますが、私は映画をたくさん観ます
mustやprobablyを入れると「多分知ってると思うけど」と言ったニュアンスになります。
As you can probably imagine, I love watching movies.
As you can probably guess, I'm a big movie fan.
As you can probably tell, I love watching movies.
「想像できるかもしれないけど(わかるかもしれないけど)、私は映画好きなんです。」= As you can probably imagine, I love watching movies. / As you can probably guess, I'm a big movie fan. / As you can probably tell, I love watching movies.
ボキャブラリー
probably = ~かもしれません
can = ~できる
imagine = 想像する
guess = 推測する
tell = 分かる
love = 大好き
watching = 観ること
movies = 映画
big movie fan = 映画の大ファン