Learn French: Je suis en train de chercher la pelle. - I am currently looking for the shovel.

While Je cherche can mean either 'I look for' or 'I am looking for', using the phrase être en train de emphasizes that you are actively in the middle of doing the action right now. It translates best to 'I am currently looking for' or 'I am in the process of looking for'.

Could this sentence mean 'I am on a train looking for the shovel'?

No. The phrase être en train de is a fixed idiom that means 'to be in the middle of doing something' and has nothing to do with actual trains! If you wanted to say you were literally looking for a shovel while riding a train, you would use dans le train (in the train).

Why is there no French word for 'for' before la pelle?

The French verb chercher inherently means 'to look for'. Because the 'for' is built directly into the verb's meaning, adding a preposition like pour before la pelle is a common mistake for English speakers, but it is incorrect in French.

Will the verb after en train de always be unconjugated like chercher?

Yes! The grammar rule for this progressive structure is to use a conjugated form of être (here, suis) followed by en train de and then the infinitive, or unconjugated, form of your action verb.